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It acts as a central upstream entry point for web traffic to integrated online applications. nevisProxy controls user access and protects sensitive data, applications, services, and systems from internal and external threats.</p>\r\n<p><span style=\"font-weight: bold;\">Features and Tasks:</span></p>\r\n<ul>\r\n<li>Protection against denial-of-service attacks</li>\r\n<li>SSL termination (encryption and acceleration)</li>\r\n<li>Session and timeout handling (single session)</li>\r\n<li>SSO (single signon)</li>\r\n<li>Initialization of multi-step authentication</li>\r\n<li>Authentication in cooperation with nevisAuth</li>\r\n<li>Propagation of user identities incl. additional information (roles) in secure token (SAML, JWT, Nevis SecToken, HTTP Header etc.)</li>\r\n<li>Role-based authorization</li>\r\n<li>Cookie caching</li>\r\n<li>Renegotiation of client session association</li>\r\n<li>Caching and data compression</li>\r\n<li>Content inspection and validation (HTML, XML, JSON etc.)</li>\r\n<li>Input validation (black- and whitelists with self-learning)</li>\r\n<li>Virtual patching enables rapid reaction in case of serious security threats</li>\r\n<li>URL signing and encryption</li>\r\n</ul>","shortDescription":"nevisProxy controls user access and protects sensitive data, applications, services, and systems from internal and external threats, without compromising on user-friendliness.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":0,"sellingCount":0,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Adnovum nevisProxy","keywords":"","description":"<p>nevisProxy is a secure reverse proxy with integrated web application firewall (WAF). It acts as a central upstream entry point for web traffic to integrated online applications. nevisProxy controls user access and protects sensitive data, applications, serv","og:title":"Adnovum nevisProxy","og:description":"<p>nevisProxy is a secure reverse proxy with integrated web application firewall (WAF). It acts as a central upstream entry point for web traffic to integrated online applications. nevisProxy controls user access and protects sensitive data, applications, serv","og:image":"https://old.roi4cio.com/fileadmin/user_upload/nevisproxy.png"},"eventUrl":"","translationId":2195,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"airlock-web-application-firewall":{"id":1623,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Airlock.png","logo":true,"scheme":false,"title":"Airlock Web Application Firewall","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"airlock-web-application-firewall","companyTitle":"Ergon Informatik AG","companyTypes":["supplier","vendor"],"companyId":4288,"companyAlias":"ergon-informatik-ag","description":"The Airlock Web Application Firewall offers a unique combination of protective mechanisms for web applications. Whether your objective is PCI DSS compliance, security for online banking or protection for eCommerce: Airlock WAF will upgrade security for your internet applications &ndash; a permanent solution with a host of well thought-out functionalities.\r\nThanks to Airlock WAF, businesses can exploit the potential of the internet without jeopardizing the security and availability of their web applications and services. Each access is systematically monitored and filtered at every level. Used in conjunction with an authentication solution such as Airlock Login or IAM, Airlock WAF can force upstream user authentication and authorization. This allows a uniform, central single sign-on infrastructure. All important information is also made available via monitoring and reporting functions. Airlock WAF is the only web application security solution on the market that provides superlative end-to-end protection for complex web environments.\r\n<span style=\"font-weight: bold;\">Airlock WAF - The main features</span>\r\n<ul>\r\n<li>Secure Reverse Proxy</li>\r\n<li>Central Checkpoint</li>\r\n<li>Filtering</li>\r\n<li>API Security</li>\r\n<li>Dynamic Whitelisting</li>\r\n<li>Central Security Hub</li>\r\n<li>High Availability and Performance</li>\r\n</ul>\r\n<span style=\"font-weight: bold;\">Airlock WAF is also available as a hardware appliance</span>\r\nWith the Airlock WAF hardware appliance, setup and going live will be even easier than today. Of course, hardware appliances can be connected to build a failover cluster with active session synchronization.","shortDescription":"The Airlock Web Application Firewall offers a unique combination of protective mechanisms for web applications, whether your objective is PCI DSS compliance, security for online banking or protection ","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":0,"sellingCount":0,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Airlock Web Application Firewall","keywords":"","description":"The Airlock Web Application Firewall offers a unique combination of protective mechanisms for web applications. Whether your objective is PCI DSS compliance, security for online banking or protection for eCommerce: Airlock WAF will upgrade security for your in","og:title":"Airlock Web Application Firewall","og:description":"The Airlock Web Application Firewall offers a unique combination of protective mechanisms for web applications. Whether your objective is PCI DSS compliance, security for online banking or protection for eCommerce: Airlock WAF will upgrade security for your in","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Airlock.png"},"eventUrl":"","translationId":1623,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"akamai-kona-web-application-firewall":{"id":1603,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Akamai_Technologies.png","logo":true,"scheme":false,"title":"Akamai Kona Web Application Firewall","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"akamai-kona-web-application-firewall","companyTitle":"Akamai Technologies","companyTypes":["supplier","vendor"],"companyId":4283,"companyAlias":"akamai-technologies","description":"Ensure web application performance with Akamai&rsquo;s WAF. Kona Web Application Firewall from Akamai offers effective protection against web application attacks. Globally-distributed across the Akamai Intelligent Platform&trade;, Kona WAF can easily scale to defend against massive application attacks. Deployed at the edge of your network rather than in a data center, Kona WAF can identify and mitigate suspicious traffic without affecting performance or availability of the origin server. Security rules for Kona WAF are continuously refined by Akamai&rsquo;s Threat Intelligence Team to protect against known attacks and respond to emerging threats. <span style=\"font-weight: bold;\"><br /></span> <span style=\"font-weight: bold;\">With Kona WAF you can:&nbsp;</span>\r\n<ul>\r\n<li>Reduce the risk of downtime, data theft and security breaches with a WAF that can scale to protect against the largest DoS and DDoS attacks.</li>\r\n<li>Ensure high performance even during attacks thanks to Akamai&rsquo;s globally architecture.</li>\r\n<li>Defending against new and emerging threats with help from Akamai&rsquo;s Threat Intelligence Team.</li>\r\n<li>Minimize costs of cloud security by avoiding the need for expensive dedicated hardware.</li>\r\n</ul>\r\n<span style=\"font-weight: bold;\">Key capabilities of Kona WAF</span>\r\n<ul>\r\n<li>Kona WAF provides comprehensive capabilities to protect against application-layer attacks.&nbsp;</li>\r\n<li>Adaptive rate controls automatically protect against application-layer DDoS and other volumetric attacks by monitoring and controlling the rate of requests against applications.</li>\r\n<li>Application-layer controls offer pre-defined, configurable WAF rules that govern Request Limit Violations, Protocol Violations, HTTP Policy Violations and more.</li>\r\n<li>Network-layer controls automatically deflect network-layer DDoS attacks at the network edge and define and enforce IP whitelists and blacklists to restrict requests from certain IP addresses or geographical regions.</li>\r\n<li>Security monitor provides real-time visibility into security events and enables administrators to drill down into attack alerts.</li>\r\n<li>Logging features enable you to integrate WAF and event logs with security information and event management to increase your threat posture awareness.</li>\r\n</ul>\r\n","shortDescription":"Kona Web Application Firewall from Akamai provides an highly scalable application firewall that defends against emerging threats to web security while keeping application performance high.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":0,"sellingCount":0,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Akamai Kona Web Application Firewall","keywords":"","description":"Ensure web application performance with Akamai&rsquo;s WAF. Kona Web Application Firewall from Akamai offers effective protection against web application attacks. Globally-distributed across the Akamai Intelligent Platform&trade;, Kona WAF can easily scale to ","og:title":"Akamai Kona Web Application Firewall","og:description":"Ensure web application performance with Akamai&rsquo;s WAF. Kona Web Application Firewall from Akamai offers effective protection against web application attacks. Globally-distributed across the Akamai Intelligent Platform&trade;, Kona WAF can easily scale to ","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Akamai_Technologies.png"},"eventUrl":"","translationId":1603,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"aws-waf":{"id":1621,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Amazon_WorkSpaces.png","logo":true,"scheme":false,"title":"AWS WAF - Web Application Firewall","vendorVerified":0,"rating":"2.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":4,"alias":"aws-waf","companyTitle":"Amazon Web Services","companyTypes":["supplier","vendor"],"companyId":176,"companyAlias":"amazon-web-services","description":"AWS WAF is a web application firewall that helps protect your web applications from common web exploits that could affect application availability, compromise security, or consume excessive resources. AWS WAF gives you control over which traffic to allow or block to your web applications by defining customizable web security rules. You can use AWS WAF to create custom rules that block common attack patterns, such as SQL injection or cross-site scripting, and rules that are designed for your specific application. New rules can be deployed within minutes, letting you respond quickly to changing traffic patterns. Also, AWS WAF includes a full-featured API that you can use to automate the creation, deployment, and maintenance of web security rules.\r\n\r\n<span style=\"font-weight: bold;\">BENEFITS</span>\r\nINCREASED PROTECTION AGAINST WEB ATTACKS\r\nAWS WAF protects web applications from attacks by filtering traffic based on rules that you create. For example, you can filter web requests based on IP addresses, HTTP headers, HTTP body, or URI strings, which allows you to block common attack patterns, such as SQL injection or cross-site scripting.\r\nSECURITY INTEGRATED WITH HOW YOU DEVELOP APPLICATIONS\r\nEvery feature in AWS WAF can be configured using either the AWS WAF API or the AWS Management Console. This allows you to define application-specific rules that increase web security as you develop your application. This lets you put web security at multiple points in the development chain, from the hands of the developer initially writing code, to the DevOps engineer deploying software, to the security experts conducting an audit.\r\nEASE OF DEPLOYMENT &amp; MAINTENANCE\r\nAWS WAF is easy to deploy and protect application(s) deployed on either Amazon CloudFront as part of your CDN solution, the Application Load Balancer that fronts all your origin servers, or Amazon API Gateway for your APIs. There is no additional software to deploy except to enable AWS WAF on the right resource. You can centrally define your rules, and reuse them across all the web applications that you need to protect.\r\nIMPROVED WEB TRAFFIC VISIBILITY\r\nYou can set up AWS WAF to just monitor requests that match your filter criteria. AWS WAF gives near real-time visibility into your web traffic, which you can use to create new rules or alerts in Amazon CloudWatch.\r\nCOST EFFECTIVE WEB APPLICATION PROTECTION\r\nWith AWS WAF you pay only for what you use. AWS WAF provides a customizable, self-service offering, and pricing is based on how many rules you deploy and how many web requests your web application receives. There are no minimum fees and no upfront commitments.\r\nENHANCED SECURITY WITH MANAGED RULES\r\nWith Managed Rules for AWS WAF, you can quickly get started and protect your web application or APIs against common threats such as OWASP Top 10 security risks, threats specific to Content Management Systems (CMS), or emerging Common Vulnerabilities and Exposures (CVE). AWS security sellers will automatically update the managed rules for you as new exploits and bad actors emerge, so that you can spend more time building rather than managing security rules.<br /><br /><br />&nbsp;","shortDescription":"AWS WAF is a web application firewall that helps protect your web applications from common web exploits that could affect application availability, compromise security, or consume excessive resources.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":true,"bonus":100,"usingCount":0,"sellingCount":0,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"AWS WAF - Web Application Firewall","keywords":"","description":"AWS WAF is a web application firewall that helps protect your web applications from common web exploits that could affect application availability, compromise security, or consume excessive resources. AWS WAF gives you control over which traffic to allow or bl","og:title":"AWS WAF - Web Application Firewall","og:description":"AWS WAF is a web application firewall that helps protect your web applications from common web exploits that could affect application availability, compromise security, or consume excessive resources. AWS WAF gives you control over which traffic to allow or bl","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Amazon_WorkSpaces.png"},"eventUrl":"","translationId":1621,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"barracuda-web-application-firewall":{"id":1309,"logoURL":"https://old.roi4cio.com/fileadmin/content/zavantazhennja.png","logo":true,"scheme":false,"title":"Barracuda Web Application Firewall","vendorVerified":0,"rating":"2.00","implementationsCount":2,"suppliersCount":0,"supplierPartnersCount":3,"alias":"barracuda-web-application-firewall","companyTitle":"Barracuda Networks","companyTypes":["vendor"],"companyId":183,"companyAlias":"barracuda-networks","description":"The Barracuda Web Application Firewall blocks an ever-expanding list of sophisticated web-based intrusions and attacks that target the applications hosted on your web servers—and the sensitive or confidential data to which they have access. Constant Protection from Evolving Threats The Barracuda Web Application Firewall provides superior protection against data loss, DDoS, and all known applicationlayer attack modalities. Automatic updates provide defense against new threats as they apear. As new types of threats emerge, it will acquire new capabilities to block them. Identity and Access Management The Barracuda Web Application Firewall has strong authentication and access control capabilities that ensure security and privacy by restricting access to sensitive applications or data to authorized users. Affordable and Easy to Use Pre-built security templates and intuitive web interface provide immediate security without the need for time-consuming tuning or application learning. Integration with security vulnerability scanners and SIEM tools automates the assessment, monitoring, and mitigation process","shortDescription":"Barracuda Web Application Firewall - protect websites and apps from cyber threats.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":true,"bonus":100,"usingCount":9,"sellingCount":6,"discontinued":0,"rebateForPoc":0,"rebate":5,"seo":{"title":"Barracuda Web Application Firewall","keywords":"Barracuda, Application, Firewall, security, data, access, capabilities, they","description":"The Barracuda Web Application Firewall blocks an ever-expanding list of sophisticated web-based intrusions and attacks that target the applications hosted on your web servers—and the sensitive or confidential data to which they have access. Constant Protection","og:title":"Barracuda Web Application Firewall","og:description":"The Barracuda Web Application Firewall blocks an ever-expanding list of sophisticated web-based intrusions and attacks that target the applications hosted on your web servers—and the sensitive or confidential data to which they have access. Constant Protection","og:image":"https://old.roi4cio.com/fileadmin/content/zavantazhennja.png"},"eventUrl":"","translationId":1391,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"citrix-netscaler":{"id":135,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Citrix_NetScaler.jpg","logo":true,"scheme":false,"title":"Citrix NetScaler","vendorVerified":0,"rating":"2.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":6,"alias":"citrix-netscaler","companyTitle":"Citrix","companyTypes":["supplier","vendor"],"companyId":182,"companyAlias":"citrix","description":"&nbsp;NetScaler, an advanced software-defined application delivery controller, is your networking power player. It provides outstanding delivery of business applications—to any device and any location—with unmatched security, superior L4-7 load balancing, reliable GSLB, and 100 percent uptime. In fact, NetScaler offers up to five times the performance of our closest competitor. Plus our TriScale technology saves you money by allowing your network to scale up or down without additional hardware costs.\r\n","shortDescription":"Citrix NetScaler is an award-winning offering a software-first approach for hybrid, multi-cloud architectures with deep visibility to deliver an exceptional application experience.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":3,"sellingCount":20,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Citrix NetScaler","keywords":"NetScaler, security, delivery, performance, uptime, your, offers, times","description":"&nbsp;NetScaler, an advanced software-defined application delivery controller, is your networking power player. 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It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"cloudflare-web-application-firewall-waf":{"id":1608,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Cloudflare.png","logo":true,"scheme":false,"title":"Cloudflare web application firewall WAF","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"cloudflare-web-application-firewall-waf","companyTitle":"Cloudflare","companyTypes":["supplier","vendor"],"companyId":4284,"companyAlias":"cloudflare","description":"Cloudflare security engineers constantly monitor the Internet for new vulnerabilities. Cloudflare’s WAF helps you stay ahead of threats by automatically updating when new security vulnerabilities are released. Rules created by Cloudflare in response to new threats are responsible for mitigating the vast majority of threats on our network. While traditional OWASP rules and customer specific rules are important, they are not enough without Cloudflare's automatic WAF updates. Cloudflare sees roughly 2.9 million requests every second, and our WAF is continually identifying and blocking new potential threats. If you’re using a web application firewall that doesn’t leverage the collective intelligence of other web properties, you need to supply all your own WAF rules from scratch, which means you need to monitor the entire Internet security landscape on your own. \r\n\r\n<span style=\"font-weight: bold;\">Multi-Cloud Holistic Security Framework</span>\r\nCloudflare offers a single source of control for the security of websites, applications, and APIs, hosted across multiple cloud environments. Multi-cloud security provides visibility into security events, while allowing for consistent security controls, across all clouds in which Internet assets are deployed. Any attack traffic seen by Cloudflare is recorded and analyzed. Cloudflare’s network then shields Internet assets across all cloud providers.\r\n<span style=\"font-weight: bold;\">PCI Compliance</span>\r\nUtilizing Cloudflare’s WAF helps you cost effectively fulfill PCI compliance. If you’re a merchant who handles consumer credit card information, PCI DSS 2.0 and 3.0 Requirement 6.6 allows for two options to meet this requirement:\r\n<span style=\"font-weight: bold;\">Deploy a WAF in front of your website</span>\r\nOr, conduct application vulnerability security reviews of all of your in-scope web applications\r\n<span style=\"font-weight: bold;\">OWASP, Application-Specific, and Custom Rules</span>\r\nCloudflare’s WAF protects your web properties from the OWASP top 10 vulnerabilities by default. These OWASP rules are supplemented by 148 built-in WAF rules that you can apply with the click of a button. Business and Enterprise customers can also request custom WAF rules to filter out specific attack traffic.\r\n<span style=\"font-weight: bold;\">OWASP Top 10 Vulnerabilities</span>\r\n<ul> <li>Injection</li> <li>Broken Authentication and Session Management</li> <li>Sensitive Data Exposure</li> <li>XML External Entities (XXE)</li> <li>Broken Access Control</li> <li>Security Misconfiguration</li> <li>Cross-Site Scripting (XSS)</li> <li>Insecure Deserialization</li> <li>Using Components with Known Vulnerabilities</li> <li>Insufficient Logging &amp; Monitoring</li> </ul>\r\n<span style=\"font-weight: bold;\">Protecting Against Zero-Day Vulnerabilities</span>\r\nCloudflare security engineers have dealt with a lot of zero-day vulnerabilities over the years. Read our developer blog to learn how every website on our network benefits from their virtual patches.\r\n<span style=\"font-weight: bold;\">A Look at the New WP Brute Force Amplification Attack</span>\r\nA vulnerability in the XML remote procedure protocol allowed potentially thousands of brute force password attempts in a single HTTP request.\r\n<span style=\"font-weight: bold;\">The Joomla Unserialize Vulnerability</span>\r\nThe Joomla Unserialize Vulnerability allowed remote code execution via a poorly sanitized User-Agent and X-Forwarded-For headers.\r\n<span style=\"font-weight: bold;\">Protection Against Critical Windows Vulnerability (CVE-2015-1635)</span>\r\nCloudflare WAF protected users from a critical bug that allowed unpriviledeged users to hang a Windows web server.\r\n<span style=\"font-weight: bold;\">Threat Blocking &amp; Privacy Features</span>\r\n<ul> <li>Collective intelligence to identify new threats</li> <li>Reputation-based threat protection</li> <li>Comment spam protection</li> <li>Block or challenge visitors by IP address</li> <li>Block or challenge visitors by AS number</li> <li>Block or challenge visitors by country code</li> <li>User agent blocking</li> <li>Zone lockdown</li> <li>Security level configuration</li> </ul>","shortDescription":"Cloudflare’s web application firewall (WAF) protects your Internet property from common vulnerabilities like SQL injection attacks, cross-site scripting.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":5,"sellingCount":3,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Cloudflare web application firewall WAF","keywords":"","description":"Cloudflare security engineers constantly monitor the Internet for new vulnerabilities. Cloudflare’s WAF helps you stay ahead of threats by automatically updating when new security vulnerabilities are released. Rules created by Cloudflare in response to new thr","og:title":"Cloudflare web application firewall WAF","og:description":"Cloudflare security engineers constantly monitor the Internet for new vulnerabilities. Cloudflare’s WAF helps you stay ahead of threats by automatically updating when new security vulnerabilities are released. Rules created by Cloudflare in response to new thr","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Cloudflare.png"},"eventUrl":"","translationId":1609,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"dbappsecurity-das-waf":{"id":2182,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/DAS-WAF.jpg","logo":true,"scheme":false,"title":"DBAPPSecurity DAS-WAF","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"dbappsecurity-das-waf","companyTitle":"DBAPPSecurity","companyTypes":["vendor"],"companyId":4562,"companyAlias":"dbappsecurity","description":"<p>DBAPPSecurity Web Application Firewall (DAS-WAF), which is the innovative product with our intellectual property, protects Web Application from cyber attacks and control the critical data. It is designed to easily fit into any existing data center environment, rapidly secure and accelerate new and existing Web Applications out of the box. Deployment options include inline as well as offline modes.</p>\r\n<p>DAS-WAF is placed between Web server and internet-facing firewall. All client connection requests received are accepted.</p>\r\n<p><span style=\"font-weight: bold;\">On the Incoming Path</span></p>\r\n<ol>\r\n<li>Terminates application layer protocols for maximum visibility, security and control</li>\r\n<li>Decrypts SSL traffic</li>\r\n<li>Normalizes the data to handle multiple encoding format and to detect malicious attacks</li>\r\n<li>Applies Website user access control check</li>\r\n<li>In-depth inspects the application layer traffic for any vulnerabilities</li>\r\n<li>Denies malicious traffic</li>\r\n</ol>\r\n<p><span style=\"font-weight: bold;\">Data Protection</span></p>\r\n<ol>\r\n<li>Outbound data is inspected for data leak prevention, such as sensitive information, social security number, bank account numbers, and credit card number, etc.</li>\r\n<li>The data is cloaked to hide server specific information to prevent hackers exploring Web server resources</li>\r\n<li>Data can be optionally compressed to accelerate the application delivery</li>\r\n<li>The data is encrypted and sent to the clients of the Web Application</li>\r\n</ol>\r\n<p><span style=\"font-weight: bold;\">System</span></p>\r\n<ol>\r\n<li>Logs all the data and actions were taken</li>\r\n<li>Provides a rich set of real-time reporting and alerting features based on the logs, actions and system status.</li>\r\n<li>Online update can be downloaded automatically from DBAPPSecurity update server.</li>\r\n</ol>\r\n<p><strong>Features</strong></p>\r\n<ul>\r\n<li><strong>Protection against more than 30 common attacks in Web application:</strong> After deploying DAS-WAF, the system enables automatic protection against all SQL injections, command injections, configuration injections, LDAP injection, cross-site scripting.</li>\r\n<li><strong>PCI Compliance:</strong> DAS-WAF protect Web application from the OWASP Top 10 threats</li>\r\n<li><strong>HTTP, HTTPS and FTP protocol compliance:</strong> DAS-WAF ensures that all inbound requests comply with the HTTP, HTTPS and FTP specifications respectively</li>\r\n<li><strong>Outbound data theft protection:</strong> DAS-WAF in-depth inspects all server responses for sensitive information leakage. Users can configure custom patterns for data leak prevention.</li>\r\n<li><strong>Protection against CC (Challenge Collapsar) attack and brute force attack:</strong> DAS-WAF can detect where to launch malicious attacks by learning user behavior of URL-based access, and intelligently block such CC attack, Brute Force attack.</li>\r\n<li><strong>Protection against intellectual property theft:</strong> DAS-WAF can detect the intellectual property theft based on the signatures, and available for single theft mode and distributed theft mode.</li>\r\n<li><strong>Virtual Patches:</strong> DAS-WAS enables WEB Application Vulnerability Scanner integration as virtual patches, to remediate the system in more timely fashion.</li>\r\n<li><strong>Whitelist:</strong> It is a positive security model for neutralizing &ldquo;Zero Day Attacks&rdquo; which is not anticipated in advance. By Automated Learning, the system generates a positive profile for your application over time. Multiple configurable heuristics determine that anomalous traffic is not used for generation the profile.</li>\r\n<li><strong>Failed Info Tracking:</strong> DAS-WAF can automatically identify failed server responses and classify the information whether it is WEB application error, or a database error, and makes the system remediation easier.</li>\r\n<li><strong>Anti-tamper:</strong> It allows user to detect tampered webpage and prevent attack to publish tampered Webpage on client's server. Anti-tamper function uses G2 digital watermarking technology to detect and deny any tampering in real time.</li>\r\n<li><strong>Web Application Acceleration:</strong> The system can accelerate the application delivery by caching static outgoing content, or compressing outgoing content which can significantly reduce the transmission times.</li>\r\n<li><strong>Load Balancing (Only in Gateway):</strong> DAS-WAF provides the load balancing function to allow adding or removing servers for a protected website, without interrupting the existing traffic.</li>\r\n<li><strong>Audit Logs:</strong> For audit purpose, you can use Audit Logs function to capture all administration and configuration activities of administrator.</li>\r\n</ul>","shortDescription":"DAS-WAF provides full solutions for web application with real-time deep protection, web application accelerating and sensitive information leakage prevention against any kind of web attacks.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":3,"sellingCount":1,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"DBAPPSecurity DAS-WAF","keywords":"","description":"<p>DBAPPSecurity Web Application Firewall (DAS-WAF), which is the innovative product with our intellectual property, protects Web Application from cyber attacks and control the critical data. It is designed to easily fit into any existing data center environme","og:title":"DBAPPSecurity DAS-WAF","og:description":"<p>DBAPPSecurity Web Application Firewall (DAS-WAF), which is the innovative product with our intellectual property, protects Web Application from cyber attacks and control the critical data. It is designed to easily fit into any existing data center environme","og:image":"https://old.roi4cio.com/fileadmin/user_upload/DAS-WAF.jpg"},"eventUrl":"","translationId":2183,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"denyall-web-application-firewall-lts":{"id":1628,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/DenyAll.png","logo":true,"scheme":false,"title":"DenyAll Web Application Firewall (LTS)","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"denyall-web-application-firewall-lts","companyTitle":"DenyAll, a Rohde & Schwarz Cybersecurity company","companyTypes":["supplier","vendor"],"companyId":4291,"companyAlias":"denyall-kompanija-rohde-schwarz-cybersecurity","description":"DenyAll Web Application Firewall provides a multilayered approach to security services to dynamically detect and block malicious content while efficiently passing benign traffic through. This all-in-one solution protects and manages multiple security solutions - Web Application Firewall, Web Services Firewall and Web Access Management - in a single management console (centralized administration station, monitoring, reverse proxy, etc.). The platform also provides cache, acceleration and optimization of your web traffic.\r\n<span style=\"font-weight: bold;\">Highlights</span>\r\n<ul>\r\n<li>Web Application Firewall (WAF): to protect the web applications vital to every business against external threats and to assure continuous service.</li>\r\n<li>Web Services Firewall (WSF): to protect the infrastructure, information networks and application servers against attacks while preventing denial of service and anticipating traffic overload.</li>\r\n<li>Web Access Management (WAM): to simplify Web access authentication while maintaining a high level of security, without agent deployment on the application server.</li>\r\n</ul>\r\n","shortDescription":"DenyAll Web Application Firewall (WAF) provides a multilayered approach to security services to dynamically detect and block malicious content while efficiently passing benign traffic through.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":11,"sellingCount":8,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"DenyAll Web Application Firewall (LTS)","keywords":"","description":"DenyAll Web Application Firewall provides a multilayered approach to security services to dynamically detect and block malicious content while efficiently passing benign traffic through. This all-in-one solution protects and manages multiple security solutions","og:title":"DenyAll Web Application Firewall (LTS)","og:description":"DenyAll Web Application Firewall provides a multilayered approach to security services to dynamically detect and block malicious content while efficiently passing benign traffic through. This all-in-one solution protects and manages multiple security solutions","og:image":"https://old.roi4cio.com/fileadmin/user_upload/DenyAll.png"},"eventUrl":"","translationId":1629,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"f5-big-ip-application-security-manager":{"id":2174,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/F5_ASM.jpg","logo":true,"scheme":false,"title":"F5 Big-IP Application Security Manager","vendorVerified":0,"rating":"1.70","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":1,"alias":"f5-big-ip-application-security-manager","companyTitle":"F5 Networks","companyTypes":["vendor"],"companyId":2749,"companyAlias":"f5-networks","description":"Protect your organization and its reputation by maintaining the confidentiality, availability, and performance of the applications that are critical to your business with F5 Web Application Firewall (WAF) solutions.\r\nF5 WAF solutions are deployed in more data centers than any enterprise WAF on the market. The comprehensive suite of F5 WAF solutions includes managed rulesets for Amazon Web Services (AWS); cloud-based, self-service, and managed service in the F5 Silverline cloud-based service delivery platform; application delivery controller (ADC) integration with F5 BIG-IP Application Security Manager (ASM); and F5 Advanced Web Application Firewall (Advanced WAF).\r\nAdvanced WAF redefines application security to address the most prevalent threats organizations face today:\r\n<ul> <li>Automated attacks and bots that overwhelm existing security solutions.</li> <li>Web attacks that steal credentials and gain unauthorized access across user accounts.</li> <li>Application layer attacks that evade static security based on reputation and manual signatures.</li> <li>New attack surfaces and threats due to the rapid adoption of APIs.</li> </ul>\r\nAdvanced WAF is built on proven F5 technology and goes beyond reactive security such as static signatures and reputation to proactively detect and mitigate bots, secure credentials and sensitive data, and defend against application denial-of-service (DoS).\r\nAdvanced WAF delivers flexible and comprehensive protections wherever apps reside and without compromising performance. Advanced WAF is offered as an appliance, virtual edition, and as a managed service—providing automated WAF services that meet complex deployment and management requirements while protecting your apps with great precision. It is the most effective solution for guarding modern applications and data from existing and emerging threats while maintaining compliance with key regulatory mandates.\r\n<span style=\"font-weight: bold;\">Key benefits:</span>\r\n<ul> <li>Protect web and mobile applications from malicious bots;</li> <li>Safeguard credentials and sensitive data from theft and abuse;</li> <li>Defend against sophisticated application denial-of-service (DoS);</li> <li>Mitigate sophisticated threat campaigns;</li> <li>Protect APIs;</li> <li>Ensure application security and compliance;</li> <li>Turn on protection immediately;</li> <li>Patch vulnerabilities fast;</li> <li>Deploy flexibly;</li> <li>Defend with proven advanced protections;</li> <li>Magnify threat knowledge.</li> </ul>","shortDescription":"A comprehensive web application firewall that protects apps and data from known and unknown threats, defends against bots that bypass standard protections, and virtually patches app vulnerabilities.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":5,"sellingCount":5,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"F5 Big-IP Application Security Manager","keywords":"","description":"Protect your organization and its reputation by maintaining the confidentiality, availability, and performance of the applications that are critical to your business with F5 Web Application Firewall (WAF) solutions.\r\nF5 WAF solutions are deployed in more data ","og:title":"F5 Big-IP Application Security Manager","og:description":"Protect your organization and its reputation by maintaining the confidentiality, availability, and performance of the applications that are critical to your business with F5 Web Application Firewall (WAF) solutions.\r\nF5 WAF solutions are deployed in more data ","og:image":"https://old.roi4cio.com/fileadmin/user_upload/F5_ASM.jpg"},"eventUrl":"","translationId":2175,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"f5-silverline-web-application-firewall":{"id":1604,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/F5_Networks.png","logo":true,"scheme":false,"title":"F5 Silverline Web Application Firewall","vendorVerified":0,"rating":"1.70","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":1,"alias":"f5-silverline-web-application-firewall","companyTitle":"F5 Networks","companyTypes":["vendor"],"companyId":2749,"companyAlias":"f5-networks","description":"F5 Silverline Web Application Firewall is a cloud based service with 24x7x365 support from highly specialized security experts. It helps organizations protect web applications and data, and enable compliance with industry security standards, such as PCI DSS. Silverline Web Application Firewall is available as a fully managed service for comprehensive and customized app protection, or as an express self-service for rapid deployment of expertly maintained policies.\r\n<span style=\"font-weight: bold;\">Managed service key benefits</span>\r\n<ul> <li>Ensure application security and compliance</li> <li>Get comprehensive protection from advanced layer 7 attacks, OWASP Top Ten application security risks, and zero-day attacks—and enable compliance with key regulatory mandates.</li> <li>Get 24x7x365 expert service</li> <li>Receive 24x7x365 access to web application firewall (WAF) experts who build, proactively monitor, and fine-tune WAF policies against known and emerging threats.</li> <li>Deploy flexibly across hybrid environments</li> <li>Ensure consistent web application security, availability, and user experiences across traditional and cloud data centers.</li> <li>Defend with proven security effectiveness</li> <li>Leverage security efficacy with technology built on the NSS Labs–recommended F5 BIG-IP® Application Security Manager™ (ASM), based on tests that demonstrate 99.89 percent overall security effectiveness.</li> <li>Drive operational and cost efficiencies</li> <li>Remove the complexity of WAF management,</li> <li>increase the speed to deploy new policies, and</li> <li>decrease operational expenses.</li> <li>Gain attack insights and intelligence</li> <li>Access reports through the cloud-based customer portal and incorporate external intelligence for securing apps against identified threats.&nbsp;</li> </ul>\r\n<span style=\"font-weight: bold;\">What’s Inside</span>\r\n<ul> <li>Drive Efficiencies with a Comprehensive Web Application Firewall Service</li> <li>Receive Expert Policy Building and Monitoring</li> <li>Hybrid Policy Management and Deployment</li> <li>Defend with Proven Security Effectiveness</li> <li>Comprehensive Attack Protection</li> <li>Built-In Compliance and Reporting Capabilities</li> <li>Gain Attack Insights and Intelligence</li> <li>Comprehensive Managed Service App Protection</li> <li>Streamlined Self-Service App Protection</li> <li>The Silverline Cloud-Based Platform</li> <li>Flexible Licensing</li> <li>Add-On Threat Intelligence Services</li> <li>F5 Security Operations Center</li> </ul>","shortDescription":"F5 Silverline Web Application Firewall is a cloud-based service with 24x7x365 support from highly specialized security experts. It helps organizations protect web applications and data.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":19,"sellingCount":19,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"F5 Silverline Web Application Firewall","keywords":"","description":"F5 Silverline Web Application Firewall is a cloud based service with 24x7x365 support from highly specialized security experts. It helps organizations protect web applications and data, and enable compliance with industry security standards, such as PCI DSS. S","og:title":"F5 Silverline Web Application Firewall","og:description":"F5 Silverline Web Application Firewall is a cloud based service with 24x7x365 support from highly specialized security experts. It helps organizations protect web applications and data, and enable compliance with industry security standards, such as PCI DSS. S","og:image":"https://old.roi4cio.com/fileadmin/user_upload/F5_Networks.png"},"eventUrl":"","translationId":1605,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"fortiweb-web-application-firewall-waf":{"id":1606,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Fortinet.png","logo":true,"scheme":false,"title":"Fortinet FortiWeb: Web Application Firewall (WAF)","vendorVerified":0,"rating":"2.00","implementationsCount":3,"suppliersCount":0,"supplierPartnersCount":21,"alias":"fortiweb-web-application-firewall-waf","companyTitle":"Fortinet","companyTypes":["vendor"],"companyId":690,"companyAlias":"fortinet","description":"FortiWeb Product Details Whether to simply meet compliance standards or to protect mission-critical hosted applications, FortiWeb's web application firewalls provide advanced features that defend web applications from known and zero-day threats. Using an advanced multi-layered and correlated approach, FortiWeb provides complete security for your external and internal web-based applications from the OWASP Top 10 and many other threats. At the heart of FortiWeb are its dual-layer AI-based detection engines that intelligently detect threats with nearly no false positive detections.\r\n<span style=\"font-weight: bold;\">Features and Benefits</span>\r\n<ul> <li>Proven Web Application Protection. FortiWeb protects against all the OWASP Top-10 threats, DDoS attacks and many others to defend your mission critical web-based applications</li> <li>AI-based Threat Detection. In addition to regular signature updates and many other layers of defenses, FortiWeb’s AI-based, dual-layer machine learning engines protect against zero-day attacks</li> <li>Security Fabric Integration. Integration with FortiGate firewalls and FortiSandbox deliver protection from advanced persistent threats</li> <li>Advanced Visual Analytics. FortiWeb’s visual reporting tools provide detailed analyses of attack sources, types and other elements that provide insights not available with other WAF solutions&nbsp;</li> <li>False Positive Mitigation Tools. Advanced tools that minimize the day-to-day management of policies and exception lists to ensure only unwanted traffic is blocked</li> <li>Hardware-based Acceleration. FortiWeb delivers industry-leading protected WAF throughputs and blazing fast secure traffic encryption/decryption</li> </ul>","shortDescription":"FortiWeb is a web application firewall (WAF) that protects hosted applications from attacks that target known and unknown exploits using multi-layered and correlated detection methods.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":7,"sellingCount":12,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Fortinet FortiWeb: Web Application Firewall (WAF)","keywords":"","description":"FortiWeb Product Details Whether to simply meet compliance standards or to protect mission-critical hosted applications, FortiWeb's web application firewalls provide advanced features that defend web applications from known and zero-day threats. Using an advan","og:title":"Fortinet FortiWeb: Web Application Firewall (WAF)","og:description":"FortiWeb Product Details Whether to simply meet compliance standards or to protect mission-critical hosted applications, FortiWeb's web application firewalls provide advanced features that defend web applications from known and zero-day threats. Using an advan","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Fortinet.png"},"eventUrl":"","translationId":1607,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"imperva-web-application-firewall":{"id":154,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Imperva_SecureSphere_Web_Application_Firewall1.png","logo":true,"scheme":false,"title":"Imperva Web Application Firewall","vendorVerified":0,"rating":"2.10","implementationsCount":2,"suppliersCount":0,"supplierPartnersCount":2,"alias":"imperva-web-application-firewall","companyTitle":"Imperva","companyTypes":["supplier","vendor"],"companyId":207,"companyAlias":"imperva","description":"\r\nImperva Web Application Firewall (WAF) analyzes all user access to your business-critical web applications and protects your applications and data from cyber attacks. WAF dynamically learns your applications’ “normal” behavior and correlates this with the threat intelligence crowd-sourced from around the world and updated in real time to deliver superior protection. The industry leading WAF identifies and acts upon dangers maliciously woven into innocent-looking website traffic; traffic that slips right through traditional defenses. This includes blocking technical attacks such as SQL injection, cross-site scripting and remote file inclusion that exploit vulnerabilities in web applications; business logic attacks such as site scraping and comment spam; botnets and DDoS attacks; and preventing account takeover attempts in real-time, before fraudulent transactions can be performed. WAF uses patented Dynamic Application Profiling to learn all aspects of web applications, including the directories, URLs, parameters, and acceptable user inputs to detect attacks with exceptional accuracy and block only bad parties, while eliminating impact to legitimate customers. WAF mitigates both technical attacks such as DDoS and SQL injection, as well as non-technical attacks such as comment spamming and site scraping.\r\n\r\nOVERVIEW SPECIFICATIONS\r\n\r\nProtect Your Critical Web Applications and Data Imperva Web Application Firewall (WAF) analyzes all user access to your business-critical web applications and protects your applications and data from cyber attacks. WAF dynamically learns your applications’ “normal” behavior and correlates this with the threat intelligence crowd-sourced from around the world and updated in real time to deliver superior protection. The industry leading WAF identifies and acts upon dangers maliciously woven into innocent-looking website traffic; traffic that slips right through traditional defenses. This includes blocking technical attacks such as SQL injection, cross-site scripting and remote file inclusion that exploit vulnerabilities in web applications; business logic attacks such as site scraping and comment spam; botnets and DDoS attacks; and preventing account takeover attempts in real-time, before fraudulent transactions can be performed.\r\n\r\nDYNAMIC APPLICATION PROFILING\r\n\r\nWAF uses patented Dynamic Application Profiling to learn all aspects of web applications, including the directories, URLs, parameters, and acceptable user inputs to detect attacks with exceptional accuracy and block only bad parties, while eliminating impact to legitimate customers. WAF mitigates both technical attacks such as DDoS and SQL injection, as well as non-technical attacks such as comment spamming and site scraping.\r\n\r\nGRANULAR CORRELATION POLICIES REDUCE FALSE POSITIVES\r\n\r\nWAF distinguishes attacks from unusual, but legitimate, behavior by correlating web requests across security layers and over time. Correlated Attack Validation capability examines multiple attributes such as HTTP protocol conformance, profile violations, signatures, special characters, and user reputation, to accurately alert on or block attacks with the lowest rate of false positives in the industry.\r\n\r\nFLEXIBLE DEPLOYMENT OPTIONS\r\n\r\nWAF can be deployed as a physical or virtual appliance on-premises, and as a virtual image on Amazon Web Services or Microsoft Azure. Physical appliance deployments are particularly flexible in that they allow WAF to run transparently, requiring virtually no changes to the customer’s network. And granular policy controls enable superior accuracy and unequaled control to match each organization’s specific protection requirements.\r\n\r\nDEEP THREAT INTELLIGENCE\r\n\r\nTo protect against today’s well resourced cyber-criminals, it is vital to have an advanced warning system that is aware of and protects against constantly evolving web-based attacks. Imperva ThreatRadar updates WAF with real-time threat intelligence crowd-sourced from around the world and curated by Imperva Application Defense Center. ThreatRadar provides better protection, improves WAF accuracy, and makes the security team more efficient by proactively filtering traffic from known bad sources so the security team can focus on what is really important. The following ThreatRadar intelligence feeds are available: Reputation Services: Filters traffic based upon latest, real-time reputation of source Community Defense: Adds unique threat intelligence crowd-sourced from Imperva users Bot Protection: Detects botnet clients and application DDoS attacks Account Takeover Protection: Protects website user accounts from attack and takeover Fraud Prevention: Simplifies deployment of best-in-class partner fraud prevention solutions VIRTUAL PATCHING WAF can perform “virtual patching” for your web applications via vulnerability scanner integration. Instead of leaving a web application exposed to attack for weeks or months while code is modified after discovering a vulnerability, virtual patching actively protects web applications from attacks to reduce the window of exposure, and decreases the costs of emergency fix cycles until you are able to patch them.\r\n\r\nCUSTOMIZABLE REPORTS FOR COMPLIANCE AND FORENSICS\r\n\r\nWAF rich graphical reporting capabilities enable customers to easily understand security status and meet regulatory compliance. WAF provides both pre-defined and fully-customizable reports. This enables you to quickly assess your security status and streamline demonstration of compliance with PCI, SOX, HIPAA and FISMA and other compliance standards.\r\n\r\nMONITORING FOR IN-DEPTH ANALYSIS OF ATTACKS\r\n\r\nAlerts can be easily searched, sorted, and directly linked to corresponding security rules. WAF monitoring and reporting framework provides instant visibility into security, compliance, and content delivery concerns. A real-time dashboard provides a high-level view of system status and security events.","shortDescription":"Imperva SecureSphere Web Application Firewall (WAF) analyzes all user access to your business-critical web applications and protects your applications and data from cyber attacks.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":true,"bonus":100,"usingCount":20,"sellingCount":18,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Imperva Web Application Firewall","keywords":"SecureSphere, attacks, from, applications, such, security, your, with","description":"\r\nImperva Web Application Firewall (WAF) analyzes all user access to your business-critical web applications and protects your applications and data from cyber attacks. WAF dynamically learns your applications’ “normal” behavior and correlates this with the th","og:title":"Imperva Web Application Firewall","og:description":"\r\nImperva Web Application Firewall (WAF) analyzes all user access to your business-critical web applications and protects your applications and data from cyber attacks. WAF dynamically learns your applications’ “normal” behavior and correlates this with the th","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Imperva_SecureSphere_Web_Application_Firewall1.png"},"eventUrl":"","translationId":155,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":548,"title":"Web security - Appliance","alias":"web-security-appliance","description":"A security appliance is any form of server appliance that is designed to protect computer networks from unwanted traffic. Types of network security appliance:\r\n<span style=\"font-weight: bold;\">Active devices</span> block unwanted traffic. Examples of such devices are firewalls, anti-virus scanning devices, and content filtering devices. For instance, if you want to make sure that you do not get pointless spam and other unnecessary issues, installing an active device might be a great idea. Active devices include anti-virus scanning devices, which will automatically scan throughout the network to ensure that no virus exists within the protected network. Then, there are web filtering appliances as well as firewalls, the purpose of both of which is to ensure that only useful content and traffic flows through the network and all pointless or harmful data is filtered.\r\n<span style=\"font-weight: bold;\">Passive devices detect and report on unwanted traffic.</span> A common example is intrusion detection appliances, which are installed in order to determine whether the network has been compromised in any way. These devices usually work in the background at all times.\r\n<span style=\"font-weight: bold;\">Preventative devices</span> scan networks and identify potential security problems (such as penetration testing and vulnerability assessment appliances). These devices are usually designed to 'prevent' damage to the network by identifying problems in advance. Common examples include devices that employ penetration testing as well as those devices which carry out vulnerability assessment on networks.\r\n<span style=\"font-weight: bold;\">Unified Threat Management (UTM)</span> combines features together into one system, such as some firewalls, content filtering, web caching etc. UTM devices are designed to provide users with a one-stop solution to all of their network needs and internet security appliances. As the name clearly suggests, these devices provide the features of all of the other network devices and condense them into one. These devices are designed to provide a number of different network security options in one package, hence providing networks with a simple solution. Rather than installing four different devices, users can easily install one and be done with it. The market of UTM devices has exceeded the billion dollar mark already, which just goes to show how popular these devices have become amongst network users.\r\nOne of the most popular and accessible types of web security appliance tools is the hardware <span style=\"font-weight: bold;\">keylogger.</span> This device is placed covertly between the case and keyboard with an output for the computer case and input for the keyboard. As hardware standards have changed over time, a USB hardware keylogger provides access on many devices.\r\nThe <span style=\"font-weight: bold;\">web proxy appliance</span> is basically hardware you use to manage user web access. More to the point, it's the type of device that handles the blocking or controlling of suspicious programs. It's typically placed in between network users and the worldwide web; ergo, it's most popular application is serving as a central control hub over employee Internet use by corporations and enterprises. It's the in-between gateway that serves as a termination point of sorts for online communications within a network and is capable of applying a multitude of rule-based limitations on Internet traffic, web content, and requests before they even end up with end users.\r\nAnother commonly used hardware tool is the <span style=\"font-weight: bold;\">wireless antenna.</span> These can be used to surveil a wide variety of wireless communications, including local cellular and internet service networks. More mechanical and general devices may include lockpicks or portable probes and hijack chips for compromising electronic devices through the physical circuit.\r\n<span style=\"font-weight: bold;\">Secure web gateway appliances</span> are solutions to prevent advanced threats, block unauthorized access to systems or websites, stop malware, and monitor real-time activity across websites accessed by users within the institution. Software and cloud-based platforms now perform this function as well.","materialsDescription":"<h1 class=\"align-center\"> What are the top Network Security Appliance brands?</h1>\r\n<span style=\"font-weight: bold;\">Blue Coat Systems,</span> Sunnyvale, Calif.-based Blue Coat has been part of security powerhouse Symantec since 2016.\r\n<span style=\"font-weight: bold;\">F5 Networks,</span> the Seattle-based network application delivery vendor, sold about $17.6 million in network security appliances through the channel in the second quarter, NPD said.\r\n<span style=\"font-weight: bold;\">SonicWall.</span>Firewall power player SonicWall sold about $23.5 million in network security appliances through the channel in the second quarter, according to NPD.\r\n<span style=\"font-weight: bold;\">Fortinet,</span> Sunnyvale, Calif., security software vendor Fortinet sold about $24.4 million in network security appliances through the channel in the second quarter, NPD said.\r\n<span style=\"font-weight: bold;\">Cisco Systems,</span> Cisco Systems was the quarter's growth champion, posting $77.2 million in network security appliance sales through the channel in the period, beating the previous year’s quarterly total of $62.3 million by about 24 percent, according to NPD.\r\n<span style=\"font-weight: bold;\">Palo Alto Networks.</span> With $94.2 million in network security appliance sales in the quarter, Palo Alto Networks was the best-selling network security appliance brand of the second quarter, according to NPD.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_Web_security_Appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"},{"id":485,"title":"Web security","alias":"web-security","description":" Web security basically means protecting a website or web application by detecting, preventing and responding to cyber threats.\r\nWebsites and web applications are just as prone to security breaches as physical homes, stores, and government locations. Unfortunately, cybercrime happens every day, and great web security measures are needed to protect websites and web applications from becoming compromised.\r\nThat’s exactly what web security does – it is a system of protection measures and protocols that can protect your website or web application from being hacked or entered by unauthorized personnel. This integral division of Information Security is vital to the protection of websites, web applications, and web services. Anything that is applied over the Internet should have some form of web security to protect it.\r\nThere are a lot of factors that go into web security and web protection. Any website or application that is secure is surely backed by different types of checkpoints and techniques for keeping it safe.\r\nThere are a variety of security standards that must be followed at all times, and these standards are implemented and highlighted by the OWASP. Most experienced web developers from top cybersecurity companies will follow the standards of the OWASP as well as keep a close eye on the Web Hacking Incident Database to see when, how, and why different people are hacking different websites and services.\r\nEssential steps in protecting web apps from attacks include applying up-to-date encryption, setting proper authentication, continuously patching discovered vulnerabilities, avoiding data theft by having secure software development practices. The reality is that clever attackers may be competent enough to find flaws even in a fairly robust secured environment, and so a holistic security strategy is advised.\r\nThere are different types of technologies available for maintaining the best security standards. Some popular technical solutions for testing, building, and preventing threats include black and white box testing tools, fuzzing tools, WAF, security or vulnerability scanners, password cracking tools, and so on.","materialsDescription":" <span style=\"font-weight: bold; \">What is Malware?</span>\r\nThe name malware is short for ‘malicioussoftware’. Malware includes any software program that has been created to perform an unauthorised — and often harmful — action on a user’s device. Examples of malware include:\r\n<ul><li>Computer viruses</li><li>Word and Excel macro viruses</li><li>Boot sector viruses</li><li>Script viruses — including batch, Windows shell, Java and others</li><li>Keyloggers</li><li>Password stealers</li><li>Backdoor Trojan viruses</li><li>Other Trojan viruses</li><li>Crimeware</li><li>Spyware</li><li>Adware... and many other types of malicious software programs</li></ul>\r\n<span style=\"font-weight: bold; \">What is the difference between a computer virus and a worm?</span>\r\n<span style=\"font-weight: bold; \">Computer virus.</span> This is a type of malicious program that can replicate itself — so that it can spread from file to file on a computer, and can also spread from one computer to another. Computer viruses are often programmed to perform damaging actions — such as corrupting or deleting data. The longer a virus remains undetected on your machine, the greater the number of infected files that may be on your computer.\r\n<span style=\"font-weight: bold; \">Worms.</span> Worms are generally considered to be a subset of computer viruses — but with some specific differences:\r\n<ul><li>A worm is a computer program that replicates, but does not infect other files.</li><li>The worm will install itself once on a computer — and then look for a way to spread to other computers.</li><li>Whereas a virus is a set of code that adds itself to existing files, a worm exists as a separate, standalone file.</li></ul>\r\n<span style=\"font-weight: bold; \">What is a Trojan virus?</span>\r\nA Trojan is effectively a program that pretends to be legitimate software — but, when launched, it will perform a harmful action. Unlike computer viruses and worms, Trojans cannot spread by themselves. Typically, Trojans are installed secretly and they deliver their malicious payload without the user’s knowledge.\r\nCybercriminals use many different types of Trojans — and each has been designed to perform a specific malicious function. The most common are:\r\n<ul><li>Backdoor Trojans (these often include a keylogger)</li><li>Trojan Spies</li><li>Password stealing Trojans</li><li>Trojan Proxies — that convert your computer into a spam distribution machine</li></ul>\r\n<span style=\"font-weight: bold; \">Why are Trojan viruses called Trojans?</span>\r\nIn Greek mythology — during the Trojan war — the Greeks used subterfuge to enter the city of Troy. The Greeks constructed a massive wooden horse — and, unaware that the horse contained Greek soldiers, the Trojans pulled the horse into the city. At night, the Greek soldiers escaped from the horse and opened the city gates — for the Greek army to enter Troy.\r\nToday, Trojan viruses use subterfuge to enter unsuspecting users’ computers and devices.\r\n<span style=\"font-weight: bold; \">What is a Keylogger?</span>\r\nA keylogger is a program that can record what you type on your computer keyboard. Criminals use keyloggers to obtain confidential data — such as login details, passwords, credit card numbers, PINs and other items. Backdoor Trojans typically include an integrated keylogger.\r\n<span style=\"font-weight: bold; \">What is Phishing?</span>\r\nPhishing is a very specific type of cybercrime that is designed to trick you into disclosing valuable information — such as details about your bank account or credit cards. Often, cybercriminals will create a fake website that looks just like a legitimate site — such as a bank’s official website. The cybercriminal will try to trick you into visiting their fake site — typically by sending you an email that contains a hyperlink to the fake site. When you visit the fake website, it will generally ask you to type in confidential data — such as your login, password or PIN.\r\n<span style=\"font-weight: bold; \">What is Spyware?</span>\r\nSpyware is software that is designed to collect your data and send it to a third party — without your knowledge or consent. Spyware programs will often:\r\n<ul><li>Monitor the keys you press on your keyboard — using a keylogger</li><li>Collect confidential information — such as your passwords, credit card numbers, PIN numbers and more</li><li>Gather — or ‘harvest’ — email addresses from your computer</li><li>Track your Internet browsing habits</li></ul>\r\n<span style=\"font-weight: bold; \">What is a Rootkit?</span>\r\nRootkits are programs that hackers use in order to evade detection while trying to gain unauthorised access to a computer. Rootkits have been used increasingly as a form of stealth to hide Trojan virus activity. When installed on a computer, rootkits are invisible to the user and also take steps to avoid being detected by security software.\r\nThe fact that many people log into their computers with administrator rights — rather than creating a separate account with restricted access — makes it easier for cybercriminals to install a rootkit.\r\n<span style=\"font-weight: bold; \">What is a Botnet?</span>\r\nA botnet is a network of computers controlled by cybercriminals using a Trojan virus or other malicious program.\r\n<span style=\"font-weight: bold;\">What is a DDoS attack?</span>\r\nA Distributed-Denial-of-Service (DDoS) attack is similar to a DoS. However, a DDoS attack is conducted using multiple machines. Usually, for a DDoS attack, the hacker will use one security compromised computer as the ‘master’ machine that co-ordinates the attack by other ‘zombie machines’. Typically, the cybercriminal will compromise the security on the master and all of the zombie machines, by exploiting a vulnerability in an application on each computer — to install a Trojan or other piece of malicious code.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/security-web-application-security.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"indusface-indusguard":{"id":2176,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Indusface_Indusguard.png","logo":true,"scheme":false,"title":"Indusface IndusGuard","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"indusface-indusguard","companyTitle":"Indusface","companyTypes":["vendor"],"companyId":4561,"companyAlias":"indusface","description":"IndusGuard Web Application Firewall is an operational security control that monitors the inbound/outbound HTTP/S traffic in order to safeguard the critical data and protect Web applications from attacks. An Application can be vulnerable regardless of the cautious development of application code. These vulnerabilities may prove to be disastrous for the brand reputation, thereby losing the customer trust and business revenue directly. Securing an Application, therefore holds as much importance as preventing exceptions, either in security policy, or in the underlying system vulnerabilities in their design, development or deployment.\r\nIndusGuard WAF assists in securing a Web Application structure by monitoring the HTTP and HTTPS traffic and protecting the Web Application from malicious attacks in real time. It is industry’s first WAF to guarantee Zero WAF False Positive. It is also the only Security-as-a-Service (SECaaS) WAF to offer integrated fully managed application DDoS solution that blocks application layer attacks by combining human intelligence based expert tuning along with application profiling.\r\n<span style=\"font-weight: bold;\">Highlights:</span>\r\n<ul> <li>IndusGuard WAF ensures continuous protection against attacks from hackers that exploit OWASP Top 10 vulnerabilities as well as enhanced application layer DDoS mitigation for bots, http connection abuse, clickjacking, Slowloris, and bandwidth theft.</li> <li>Zero False Positives &amp; PCI 6.6 Compliance: Our WAF rules for known vulnerabilities never block legitimate traffic when tuned with IndusGuard Web application scanner. It also facilitates PCI compliance by fulfilling requirement 6.6.</li> <li>Continuous expert monitoring to validate efficiency of custom rules, ensure zero false positives, instant mitigation support for application exploitation incidences and detailed inspection of application traffic to analyze and block App DDoS attacks.</li> </ul>","shortDescription":"IndusGuard WAF is an operational security control that monitors the inbound/outbound HTTP/S traffic in order to safeguard the critical data and protect Web applications from attacks.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":7,"sellingCount":7,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Indusface IndusGuard","keywords":"","description":"IndusGuard Web Application Firewall is an operational security control that monitors the inbound/outbound HTTP/S traffic in order to safeguard the critical data and protect Web applications from attacks. An Application can be vulnerable regardless of the cauti","og:title":"Indusface IndusGuard","og:description":"IndusGuard Web Application Firewall is an operational security control that monitors the inbound/outbound HTTP/S traffic in order to safeguard the critical data and protect Web applications from attacks. An Application can be vulnerable regardless of the cauti","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Indusface_Indusguard.png"},"eventUrl":"","translationId":2177,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"instart-logic-visionary-web-application-firewall-and-ddos":{"id":1615,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Instart_Logic.jpg","logo":true,"scheme":false,"title":"Instart Logic Visionary Web Application Firewall and DDOS","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"instart-logic-visionary-web-application-firewall-and-ddos","companyTitle":"Instart Logic","companyTypes":["supplier","vendor"],"companyId":4285,"companyAlias":"instart-logic","description":"Our web app firewall (WAF), which was named a Visionary by Gartner is pre-configured with advanced threat intelligence to protect from a wide variety of attacks including OWASP Top 10 vulnerabilities:\r\n<ul>\r\n<li>Cross-Site Scripting</li>\r\n<li>SQL injection</li>\r\n<li>Slow HTTP DoS</li>\r\n<li>Cross-Site Request Forgery</li>\r\n</ul>\r\nInstart Logic also offers comprehensive distributed denial of service (DDOS) attack protection using our globally distributed platform to absorb and mitigate attacks. As an internet-scale service provider, our global-ready infrastructure ensures a best-in-class protection for your online presence.","shortDescription":"Instart Logic’s globally distributed carrier-grade security applications use artificial intelligence and machine learning to protect cloud, web and mobile applications from the threat","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":18,"sellingCount":11,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Instart Logic Visionary Web Application Firewall and DDOS","keywords":"","description":"Our web app firewall (WAF), which was named a Visionary by Gartner is pre-configured with advanced threat intelligence to protect from a wide variety of attacks including OWASP Top 10 vulnerabilities:\r\n<ul>\r\n<li>Cross-Site Scripting</li>\r\n<li>SQL injection</li","og:title":"Instart Logic Visionary Web Application Firewall and DDOS","og:description":"Our web app firewall (WAF), which was named a Visionary by Gartner is pre-configured with advanced threat intelligence to protect from a wide variety of attacks including OWASP Top 10 vulnerabilities:\r\n<ul>\r\n<li>Cross-Site Scripting</li>\r\n<li>SQL injection</li","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Instart_Logic.jpg"},"eventUrl":"","translationId":1616,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"nsfocus-web-application-firewall-waf":{"id":1618,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/NSFOCUS.jpeg","logo":true,"scheme":false,"title":"NSFOCUS Web Application Firewall (WAF)","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"nsfocus-web-application-firewall-waf","companyTitle":"NSFOCUS","companyTypes":["supplier","vendor"],"companyId":4287,"companyAlias":"nsfocus","description":"The WAF serves as an essential part of an intelligent hybrid security architecture by providing advanced inspection and specialized security for the web application layer. It also includes up to 1 Gbps of DDoS protection from other volumetric and application layer attacks, including TCP flood and HTTP/S GET/ POST floods. Additionally, if deployed in conjunction with a higher capacity NSFOCUS ADS Series Anti-DDoS appliance, the WAF can direct flows in real-time to the ADS to keep your servers running under the most extreme conditions.\r\n<span style=\"font-weight: bold; text-decoration-line: underline;\">Features and Benefits</span>\r\n<span style=\"font-weight: bold;\">Prevent Theft of Critical Data</span>\r\nData breaches are extremely complex and surprisingly frequent. The NSFOCUS WAF offers powerful protection against web attacks with a complete set of signatures for web vulnerabilities and the ability to detect unauthorized file uploads. WAF enforces access control policy from layer 4 through layer 7, to prevent access to data without proper authorization. In the later phases of an attack, WAF provides outbound data leakage detection, including illegal file download detection, web shell prevention, and filtering of sensitive information (such as credit card numbers and social security numbers).\r\n<span style=\"font-weight: bold;\">Ensure Website Availability</span>\r\nThe NSFOCUS WAF offers a built-in anti-DDoS module to protect against TCP flood attacks, HTTP/S GET/POST flood attacks and slow rate attacks up to 1Gbps. The WAF employs access rate thresholding, IP reputation and algorithm-based protection mechanisms. Coupled with the NSFOCUS ADS anti-DDoS product line, higher rate DDoS attacks can be thwarted.\r\n<span style=\"font-weight: bold;\">Close the PCI DSS Compliance Gap</span>\r\nThe NSFOCUS WAF provides reports for PCI audits as well as suggestions for policy tuning and configuration in order to help ensure compliance with PCI DSS. Protections like the cookie security feature within the WAF protects against cookie tampering and cookie poisoning in compliance with section 6.5.10 in the new PCI 3.2 standard.","shortDescription":"The WAF serves as an essential part of any defense-in-depth security architecture by providing advanced inspection and specialized security for the web application layer. ","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":0,"sellingCount":4,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"NSFOCUS Web Application Firewall (WAF)","keywords":"","description":"The WAF serves as an essential part of an intelligent hybrid security architecture by providing advanced inspection and specialized security for the web application layer. It also includes up to 1 Gbps of DDoS protection from other volumetric and application l","og:title":"NSFOCUS Web Application Firewall (WAF)","og:description":"The WAF serves as an essential part of an intelligent hybrid security architecture by providing advanced inspection and specialized security for the web application layer. It also includes up to 1 Gbps of DDoS protection from other volumetric and application l","og:image":"https://old.roi4cio.com/fileadmin/user_upload/NSFOCUS.jpeg"},"eventUrl":"","translationId":1619,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"port80-software-serverdefender-vp":{"id":2188,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Port80_Software__logo_.jpg","logo":true,"scheme":false,"title":"Port80 Software ServerDefender VP","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"port80-software-serverdefender-vp","companyTitle":"Port80 Software","companyTypes":["vendor"],"companyId":4565,"companyAlias":"port80-software","description":"<p>ServerDefender VP Web application firewall is designed to provide powerful security against Web attacks in an affordable, easy-to-use package for IIS admins.</p>\r\n<p>Security is the top concern for many organizations when deploying in the cloud. ServerDefender VP provides powerful security for AWS to give you peace of mind for your cloud deployment.</p>\r\n<p><span style=\"font-weight: bold;\">SDVP security for AWS is:</span></p>\r\n<p><span style=\"font-weight: bold;\">Ideal for Cloud Security</span></p>\r\n<p>SDVP is a host-based web app firewall that installs right on your cloud instance, and scans all traffic before it hits your site or application.</p>\r\n<p><span style=\"font-weight: bold;\">Built for the System Administrator</span></p>\r\n<p>Sys admins have enough on their hands. We made SDVP easy to setup and manage, with simple controls and built in powerful reporting and alerting to make life easier, not more difficult.</p>\r\n<p><span style=\"font-weight: bold;\">Stop Common Threats and New Threats</span></p>\r\n<p>SDVP doesn't use lists of attack signatures to match and stop threats. It uses a rules-based system to provide security against well-known threats as well as new - unknown - threats.</p>\r\n<p><span style=\"font-weight: bold;\">Intuitive Controls to Quickly &amp; Easily Secure</span></p>\r\n<p>Intuitive user interface makes it easy to configure security and means no lengthy training sessions.</p>\r\n<p><span style=\"font-weight: bold;\">Customize to Your Security Needs</span></p>\r\n<p>Control every aspect of your site or application's security, for a security policy that fits what you need.</p>\r\n<p><span style=\"font-weight: bold;\">Security for Popular Platforms</span></p>\r\n<p>Custom pre-installed security profiles for SharePoint, .NetNuke, Outlook Web Access (OWA), WordPress, and Joomla to get started right out of the box.</p>","shortDescription":"ServerDefender VP Web application firewall is designed to provide powerful security against Web attacks in an affordable, easy-to-use package for IIS admins.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":14,"sellingCount":3,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Port80 Software ServerDefender VP","keywords":"","description":"<p>ServerDefender VP Web application firewall is designed to provide powerful security against Web attacks in an affordable, easy-to-use package for IIS admins.</p>\r\n<p>Security is the top concern for many organizations when deploying in the cloud. ServerDefen","og:title":"Port80 Software ServerDefender VP","og:description":"<p>ServerDefender VP Web application firewall is designed to provide powerful security against Web attacks in an affordable, easy-to-use package for IIS admins.</p>\r\n<p>Security is the top concern for many organizations when deploying in the cloud. ServerDefen","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Port80_Software__logo_.jpg"},"eventUrl":"","translationId":2189,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"privacyware-threatsentry":{"id":2184,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Privacyware_ThreatSentry.png","logo":true,"scheme":false,"title":"Privacyware ThreatSentry","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"privacyware-threatsentry","companyTitle":"Privacyware","companyTypes":["supplier","vendor"],"companyId":4563,"companyAlias":"privacyware","description":"<p>ThreatSentry is the leading software&ndash;based Web Application Firewall and Host IPS for Microsoft Internet Information Services (IIS). ThreatSentry identifies and blocks web application threats such as Structured Query Language (SQL) Injection, DDoS, Cross Site Request Forgery (CSRF/XSRF), Cross-Site Scripting (XSS) and other types of attacks and helps system administrators comply with regulatory demands such as Section 6.6 of the Payment Card Industry Data Security Standard (PCI DSS). ThreatSentry supports Windows Server 2012, 2008/R2, 2003 and 2000 and IIS8 and IIS 7.x (native module), 6 (ISAPI Extension) and 5 (ISAPI Filter) on 32 and 64 bit systems.</p>\r\n<p>ThreatSentry delivers proactive, multi-layered defense for IIS and prevents attacks from exploiting web application vulnerabilities through a complementary set of integrated components.</p>\r\n<ul>\r\n<li><span style=\"font-weight: bold;\">State-of-the-art Web Application Firewall:</span> Provides configurable rules-based control over HTTP/HTTPS request methods (OPTIONS, GET, POST, HEAD), URL Paths, URL Query String length, and HTTP Request Headers, rule-specific URL/s exclusion capabilities, URI Encoding support, Regular Expression support for parameter rules/filtering, etc.</li>\r\n<li><span style=\"font-weight: bold;\">Fully integrated Firewall:</span> Proprietary NDIS driver delivers flexible network IP blocking (featuring white list, black list and duration control) at TCP/IP and UDP layers for all ports.</li>\r\n<li><span style=\"font-weight: bold;\">Behavior-based Intrusion Prevention:</span> Adaptive, behavior-based engine (with sensitivity control) analyzes Web traffic patterns to detect new threats and behavioral anomalies and deviations.</li>\r\n<li><span style=\"font-weight: bold;\">Anti-DoS/DDoS:</span> Configurable request frequency monitor blocks successive requests to individual or all site pages to reduce the risk of DoS and DDoS attacks.</li>\r\n</ul>","shortDescription":"ThreatSentry combines a state-of-the-art Web Application Firewall and port-level firewall with advanced behavioral filtering to block unwanted IIS traffic and web application threats.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":5,"sellingCount":17,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Privacyware ThreatSentry","keywords":"","description":"<p>ThreatSentry is the leading software&ndash;based Web Application Firewall and Host IPS for Microsoft Internet Information Services (IIS). ThreatSentry identifies and blocks web application threats such as Structured Query Language (SQL) Injection, DDoS, Cro","og:title":"Privacyware ThreatSentry","og:description":"<p>ThreatSentry is the leading software&ndash;based Web Application Firewall and Host IPS for Microsoft Internet Information Services (IIS). ThreatSentry identifies and blocks web application threats such as Structured Query Language (SQL) Injection, DDoS, Cro","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Privacyware_ThreatSentry.png"},"eventUrl":"","translationId":2185,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"pt-application-firewall":{"id":1612,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Positive_Technologies.png","logo":true,"scheme":false,"title":"PT Application Firewall","vendorVerified":0,"rating":"1.90","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":1,"alias":"pt-application-firewall","companyTitle":"Positive Technologies","companyTypes":["supplier","vendor"],"companyId":1779,"companyAlias":"positive-technologies","description":"<p>PT Application Firewall is a smart protection solution that offers a serious response to the security challenges created by web portals, ERP, and mobile applications.</p>\r\n<p>Each user group &mdash; security staff, network administrators, developers, and SOC operators &mdash; has role-based access to data and the admin interface.</p>\r\n<p><span style=\"font-weight: bold;\">Highlights:</span></p>\r\n<ul>\r\n<li>Focus on major threats. Correlation mechanisms reduce the number of alerts and highlight important incidents. Attack chain metrics simplify forensics.</li>\r\n<li>Instant Blocking. Defends against &ldquo;self-inflicted&rdquo; vulnerabilities in custom-built software with virtual patches that protect apps until insecure code is fixed.</li>\r\n<li>Protection against security bypass. Prevents most firewall bypass methods including HPC, HPP, and Verb Tampering.</li>\r\n<li>Behavioral analysis against robots. Automated malware protection prevents brute-force attacks, fraud, DDoS attacks, botnets, uncontrolled indexing, and data leakage.</li>\r\n<li>Evolving Security. Adapts to protect even the most dynamic applications that are constantly being refined and improved.</li>\r\n</ul>\r\n<p>Источник:&nbsp;https://azuremarketplace.microsoft.com/ru-ru/marketplace/apps/ptsecurity.ptaf?tab=Overview</p>","shortDescription":"PT Application Firewall detects known & unknown vulnerabilities and prevents attacks on web apps","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":15,"sellingCount":8,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"PT Application Firewall","keywords":"","description":"<p>PT Application Firewall is a smart protection solution that offers a serious response to the security challenges created by web portals, ERP, and mobile applications.</p>\r\n<p>Each user group &mdash; security staff, network administrators, developers, and SO","og:title":"PT Application Firewall","og:description":"<p>PT Application Firewall is a smart protection solution that offers a serious response to the security challenges created by web portals, ERP, and mobile applications.</p>\r\n<p>Each user group &mdash; security staff, network administrators, developers, and SO","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Positive_Technologies.png"},"eventUrl":"","translationId":1613,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]},"radware-appwall-web-application-firewall-waf":{"id":1610,"logoURL":"https://old.roi4cio.com/fileadmin/user_upload/Radware.jpg","logo":true,"scheme":false,"title":"Radware AppWall - Web Application Firewall (WAF)","vendorVerified":0,"rating":"1.00","implementationsCount":0,"suppliersCount":0,"supplierPartnersCount":0,"alias":"radware-appwall-web-application-firewall-waf","companyTitle":"Radware","companyTypes":["vendor"],"companyId":2746,"companyAlias":"radware","description":"AppWall is an ICSA Labs certified and PCI compliant WAF that combines positive and negative security models to provide complete protection against web application attacks, web application attacks behind CDNs, API manipulations, advanced HTTP attacks (slowloris, dynamic floods), brute force attacks on login pages and more.\r\nA core and integrated part of Radware's Attack Mitigation Solution &ndash; a complete application and network security suite. AppWall is a web application firewall (WAF) that provides patent-protected technology to create and maintain security policies in real-time for widest security coverage with the lowest false positives and minimal operational effort. Radware&rsquo;s Web application security technology features a variety of deployment modes &ndash; as a stand-alone or integrated on an ADC, on-premise and in the cloud, inline or out-of-band.\r\nWhat Makes AppWall a Better Web Application Firewall (WAF)?\r\n<span style=\"font-weight: bold;\">Protection from Zero-Day Web Attacks</span>\r\nUsing both negative (signature based) and positive security models - AppWall is a web application firewall (WAF) that features not only the lowest false positives and minimal operational effort, but also robust protection against known and unknown (Zero-day) threats.\r\n<span style=\"font-weight: bold;\">Reduced TCO with Lowest False Positives</span>\r\nUnique Auto Policy Generation technology designed to secure a web application as automatically as possible with little or limited user interaction. AppWall is a web application firewall (WAF) that analyzes the protected Web application and derives the potential threats in it. It then generates individual, granular protection rules and sets a policy in blocking mode - thus eliminating the need for human intervention and saving on maintenance and labor resources.\r\n<span style=\"font-weight: bold;\">Continuous Security Delivery</span>\r\nFirst web application firewall (WAF) to provide a real-time security patching solution for Web applications in continuous application deployment environments via a tight integration with Dynamic Application Security Testing (DAST) solutions.\r\n<span style=\"font-weight: bold;\">Device Fingerprinting for Bot Protection</span>\r\nAppWall is an IP agnostic web-application security solution. It disregards IP source address context to protect from dynamic IP attacks. The power of the fingerprint is in the consolidated information extracted from dozens of browser attributes collected on the client side, facilitating accurate bot classification.\r\n<span style=\"font-weight: bold;\">Unique Out-of-Path Deployment with Full Mitigation</span>\r\nAppWall is the only web application firewall (WAF) that can be deployed out-of-path while still providing full mitigation. As part of Radware's integrated Attack Mitigation Solution, AppWall can communicate attack footprint and blocking policies to Radware&rsquo;s perimeter attack-mitigation device, DefensePro, so the attack is blocked at the perimeter and the rest of the network is protected.\r\n<span style=\"font-weight: bold;\">Full Coverage of OWASP Top-10 Out-of-the-box</span>\r\nIncluding injections, cross-site scripting (XSS), cross-site request forgery (CSRF), broken authentication and session management and security misconfiguration.\r\n<span style=\"font-weight: bold;\">Data Leak Prevention</span>\r\nIdentifying and blocking sensitive information transmission such as credit card numbers (CCN) and social security numbers (SSN).\r\n<span style=\"font-weight: bold;\">Integrated Application Security &amp; Application Delivery</span>\r\nAppWall is an integral part of Radware's Application Delivery Controller (ADC) solution suite, which allows customers to augment their web application security protection with local and global traffic redirection, application acceleration, bandwidth management, and other application-aware services, while benefitting from a single hardware platform.\r\n<span style=\"font-weight: bold;\">Easy Migration From Test Environments to Production</span>\r\nAn AppWall VA can be deployed with the application in the production environment or &ndash; if deployed in a lab &ndash; policy is easily migrated to the AppWall appliance in production. This approach simplifies the integration and shortens the deployment time of new applications and services in the virtualized and cloud data centers.\r\n<span style=\"font-weight: bold;\">ICSA Labs Certified WAF</span>\r\nRecognized for both the appliance and VM versions, ICSA Labs certifies AppWall for its depth and breadth of vulnerability protection, effectiveness, ease of implementation and low operation overhead.\r\n<span style=\"font-weight: bold;\">Comprehensive PCI Compliance Solution</span>\r\nAppWall enables organizations to fully comply with PCI DSS section 6.6 requirements and includes the most advanced security graphical reports to convey visibility into the application security and detected attacks.","shortDescription":"AppWall - Radware’s Web Application Firewall (WAF), ensures fast, reliable and secure delivery of mission-critical Web applications for corporate networks and in the cloud.","type":null,"isRoiCalculatorAvaliable":false,"isConfiguratorAvaliable":false,"bonus":100,"usingCount":12,"sellingCount":10,"discontinued":0,"rebateForPoc":0,"rebate":0,"seo":{"title":"Radware AppWall - Web Application Firewall (WAF)","keywords":"","description":"AppWall is an ICSA Labs certified and PCI compliant WAF that combines positive and negative security models to provide complete protection against web application attacks, web application attacks behind CDNs, API manipulations, advanced HTTP attacks (slowloris","og:title":"Radware AppWall - Web Application Firewall (WAF)","og:description":"AppWall is an ICSA Labs certified and PCI compliant WAF that combines positive and negative security models to provide complete protection against web application attacks, web application attacks behind CDNs, API manipulations, advanced HTTP attacks (slowloris","og:image":"https://old.roi4cio.com/fileadmin/user_upload/Radware.jpg"},"eventUrl":"","translationId":1611,"dealDetails":null,"roi":null,"price":null,"bonusForReference":null,"templateData":[{"id":19,"title":"WAF - Web Application Firewall"}],"testingArea":"","categories":[{"id":546,"title":"WAF-web application firewall appliance","alias":"waf-web-application-firewall-appliance","description":"A web application firewall is a special type of application firewall that applies specifically to web applications. It is deployed in front of web applications and analyzes bi-directional web-based (HTTP) traffic - detecting and blocking anything malicious. The OWASP provides a broad technical definition for a WAF as “a security solution on the web application level which - from a technical point of view - does not depend on the application itself.” According to the PCI DSS Information Supplement for requirement 6.6, a WAF is defined as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.” In other words, a WAF can be a physical appliance that prevents vulnerabilities in web applications from being exploited by outside threats. These vulnerabilities may be because the application itself is a legacy type or it was insufficiently coded by design. The WAF addresses these code shortcomings by special configurations of rule sets, also known as policies.\r\nPreviously unknown vulnerabilities can be discovered through penetration testing or via a vulnerability scanner. A web application vulnerability scanner, also known as a web application security scanner, is defined in the SAMATE NIST 500-269 as “an automated program that examines web applications for potential security vulnerabilities. In addition to searching for web application-specific vulnerabilities, the tools also look for software coding errors.” Resolving vulnerabilities is commonly referred to as remediation. Corrections to the code can be made in the application but typically a more prompt response is necessary. In these situations, the application of a custom policy for a unique web application vulnerability to provide a temporary but immediate fix (known as a virtual patch) may be necessary.\r\nWAFs are not an ultimate security solution, rather they are meant to be used in conjunction with other network perimeter security solutions such as network firewalls and intrusion prevention systems to provide a holistic defense strategy.\r\nWAFs typically follow a positive security model, a negative security model, or a combination of both as mentioned by the SANS Institute. WAFs use a combination of rule-based logic, parsing, and signatures to detect and prevent attacks such as cross-site scripting and SQL injection. The OWASP produces a list of the top ten web application security flaws. All commercial WAF offerings cover these ten flaws at a minimum. There are non-commercial options as well. As mentioned earlier, the well-known open source WAF engine called ModSecurity is one of these options. A WAF engine alone is insufficient to provide adequate protection, therefore OWASP along with Trustwave's Spiderlabs help organize and maintain a Core-Rule Set via GitHub to use with the ModSecurity WAF engine.","materialsDescription":"A Web Application Firewall or WAF provides security for online services from malicious Internet traffic. WAFs detect and filter out threats such as the OWASP Top 10, which could degrade, compromise or bring down online applications.\r\n<span style=\"font-weight: bold;\">What are Web Application Firewalls?</span>\r\nWeb application firewalls assist load balancing by examining HTTP traffic before it reaches the application server. They also protect against web application vulnerability and unauthorized transfer of data from the web server at a time when security breaches are on the rise. According to the Verizon Data Breach Investigations Report, web application attacks were the most prevalent breaches in 2017 and 2018.\r\nThe PCI Security Standards Council defines a web application firewall as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\n<span style=\"font-weight: bold;\">How does a Web Application Firewall wWork?</span>\r\nA web application firewall (WAF) intercepts and inspects all HTTP requests using a security model based on a set of customized policies to weed out bogus traffic. WAFs block bad traffic outright or can challenge a visitor with a CAPTCHA test that humans can pass but a malicious bot or computer program cannot.\r\nWAFs follow rules or policies customized to specific vulnerabilities. As a result, this is how WAFs prevent DDoS attacks. Creating the rules on a traditional WAF can be complex and require expert administration. The Open Web Application Security Project maintains a list of the OWASP top web application security flaws for WAF policies to address.\r\nWAFs come in the form of hardware appliances, server-side software, or filter traffic as-a-service. WAFs can be considered as reverse proxies i.e. the opposite of a proxy server. Proxy servers protect devices from malicious applications, while WAFs protect web applications from malicious endpoints.\r\n<span style=\"font-weight: bold;\">What Are Some Web Application Firewall Benefits?</span>\r\nA web application firewall (WAF) prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<span style=\"font-weight: bold;\">What Is the Difference Between a Firewall and a Web Application Firewall?</span>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).\r\n<span style=\"font-weight: bold;\">When Should You Use a Web Application Firewall?</span>\r\nAny business that uses a website to generate revenue should use a web application firewall to protect business data and services. Organizations that use online vendors should especially deploy web application firewalls because the security of outside groups cannot be controlled or trusted.\r\n<span style=\"font-weight: bold;\">How Do You Use a Web Application Firewall?</span>\r\nA web application firewall requires correct positioning, configuration, administration and monitoring. Web application firewall installation must include the following four steps: secure, monitor, test and improve. This should be a continuous process to ensure application specific protection.<br />The configuration of the firewall should be determined by the business rules and guardrails by the company’s security policy. This approach will allow the rules and filters in the web application firewall to define themselves.","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall_appliance.png"},{"id":481,"title":"WAF-web application firewall","alias":"waf-web-application-firewall","description":"A <span style=\"font-weight: bold; \">WAF (Web Application Firewall)</span> helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross-site forgery, cross-site-scripting (XSS), file inclusion, and SQL injection, among others. A WAF is a protocol layer 7 defense (in the OSI model), and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors.\r\nIn recent years, web application security has become increasingly important, especially after web application attacks ranked as the most common reason for breaches, as reported in the Verizon Data Breach Investigations Report. WAFs have become a critical component of web application security, and guard against web application vulnerabilities while providing the ability to customize the security rules for each application. As WAF is inline with traffic, some functions are conveniently implemented by a load balancer.\r\nAccording to the PCI Security Standards Council, WAFs function as “a security policy enforcement point positioned between a web application and the client endpoint. This functionality can be implemented in software or hardware, running in an appliance device, or in a typical server running a common operating system. It may be a stand-alone device or integrated into other network components.”\r\nBy deploying a WAF firewall in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a web firewall is a type of reverse-proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server.\r\nA WAF operates through a set of rules often called <span style=\"font-weight: bold; \">policies.</span> These policies aim to protect against vulnerabilities in the application by filtering out malicious traffic. The value of a WAF management comes in part from the speed and ease with which policy modification can be implemented, allowing for faster response to varying attack vectors; during a DDoS attack, rate limiting can be quickly implemented by modifying WAF policies.\r\nWAF solutions can be deployed in several ways—it all depends on where your applications are deployed, the services needed, how you want to manage it, and the level of architectural flexibility and performance you require. Do you want to manage it yourself, or do you want to outsource that management? Is it a better model to have a cloud WAF service, option or do you want your WAF to sit on-premises?\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">A WAF products can be implemented one of three different ways:</span></p>\r\n<ul><li><span style=\"font-weight: bold; \">A network-based WAF</span> is generally hardware-based. Since they are installed locally they minimize latency, but network-based WAFs are the most expensive option and also require the storage and maintenance of physical equipment.</li><li><span style=\"font-weight: bold; \">A host-based WAF</span> may be fully integrated into an application’s software. This solution is less expensive than a network-based WAF and offers more customizability. The downside of a host-based WAF is the consumption of local server resources, implementation complexity, and maintenance costs. These components typically require engineering time, and may be costly.</li><li><span style=\"font-weight: bold; \">Cloud-based WAFs</span> offer an affordable option that is very easy to implement; they usually offer a turnkey installation that is as simple as a change in DNS to redirect traffic. Cloud-based WAFs also have a minimal upfront cost, as users pay monthly or annually for security as a service. Cloud-based WAFs can also offer a solution that is consistently updated to protect against the newest threats without any additional work or cost on the user’s end. The drawback of a cloud-based WAF is that users hand over the responsibility to a third-party, therefore some features of the WAF may be a black box to them. </li></ul>\r\n<p class=\"align-left\">&nbsp;</p>\r\n\r\n","materialsDescription":"<p class=\"align-center\"><span style=\"color: rgb(97, 97, 97); \"><span style=\"font-weight: bold; \">What types of attack WAF prevents?</span></span></p>\r\n<p class=\"align-left\"><span style=\"color: rgb(97, 97, 97); \">WAFs can prevent many attacks, including:</span></p>\r\n<ul><li><span style=\"color: rgb(97, 97, 97); \">Cross-site Scripting (XSS) — Attackers inject client-side scripts into web pages viewed by other users.</span></li><li><span style=\"color: rgb(97, 97, 97); \">SQL injection — Malicious code is inserted or injected into an web entry field that allows attackers to compromise the application and underlying systems.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Cookie poisoning — Modification of a cookie to gain unauthorized information about the user for purposes such as identity theft.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Unvalidated input — Attackers tamper with HTTP request (including the url, headers and form fields) to bypass the site’s security mechanisms.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Layer 7 DoS — An HTTP flood attack that utilizes valid requests in typical URL data retrievals.</span></li><li><span style=\"color: rgb(97, 97, 97); \">Web scraping — Data scraping used for extracting data from websites.</span><span style=\"font-weight: bold; \"></span></li></ul>\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What are some WAFs Benefits?</span></p>\r\nWeb app firewall prevents attacks that try to take advantage of the vulnerabilities in web-based applications. The vulnerabilities are common in legacy applications or applications with poor coding or designs. WAFs handle the code deficiencies with custom rules or policies.\r\nIntelligent WAFs provide real-time insights into application traffic, performance, security and threat landscape. This visibility gives administrators the flexibility to respond to the most sophisticated attacks on protected applications.\r\nWhen the Open Web Application Security Project identifies the OWASP top vulnerabilities, WAFs allow administrators to create custom security rules to combat the list of potential attack methods. An intelligent WAF analyzes the security rules matching a particular transaction and provides a real-time view as attack patterns evolve. Based on this intelligence, the WAF can reduce false positives.\r\n<p class=\"align-center\"><span style=\"font-weight: bold; \">What is the difference between a firewall and a Web Application Firewall?</span></p>\r\nA traditional firewall protects the flow of information between servers while a web application firewall is able to filter traffic for a specific web application. Network firewalls and web application firewalls are complementary and can work together.\r\nTraditional security methods include network firewalls, intrusion detection systems (IDS) and intrusion prevention systems (IPS). They are effective at blocking bad L3-L4 traffic at the perimeter on the lower end (L3-L4) of the Open Systems Interconnection (OSI) model. Traditional firewalls cannot detect attacks in web applications because they do not understand Hypertext Transfer Protocol (HTTP) which occurs at layer 7 of the OSI model. They also only allow the port that sends and receives requested web pages from an HTTP server to be open or closed. This is why web application firewalls are effective for preventing attacks like SQL injections, session hijacking and Cross-Site Scripting (XSS).","iconURL":"https://old.roi4cio.com/fileadmin/user_upload/icon_WAF_web_application_firewall.png"}],"characteristics":[],"concurentProducts":[],"jobRoles":[],"organizationalFeatures":[],"complementaryCategories":[],"solutions":[],"materials":[],"useCases":[],"best_practices":[],"values":[],"implementations":[]}},"aliases":{"1":["adnovum-nevisproxy","airlock-web-application-firewall","akamai-kona-web-application-firewall","aws-waf","barracuda-web-application-firewall","citrix-netscaler","cloudflare-web-application-firewall-waf","dbappsecurity-das-waf","denyall-web-application-firewall-lts","f5-big-ip-application-security-manager","f5-silverline-web-application-firewall","fortiweb-web-application-firewall-waf","imperva-web-application-firewall","indusface-indusguard","instart-logic-visionary-web-application-firewall-and-ddos","nsfocus-web-application-firewall-waf","port80-software-serverdefender-vp","privacyware-threatsentry","pt-application-firewall","radware-appwall-web-application-firewall-waf"]},"links":{"first":"http://b4r_be/api/products?page=1","last":"http://b4r_be/api/products?page=2","prev":null,"next":"http://b4r_be/api/products?page=2"},"meta":{"current_page":1,"from":1,"last_page":2,"path":"http://b4r_be/api/products","per_page":20,"to":20,"total":30},"loading":false,"error":null,"useProductLoading":false,"sellProductLoading":false,"templatesById":{},"comparisonByTemplateId":{}},"filters":{"filterCriterias":{"loading":false,"error":null,"data":{"price":{"min":0,"max":6000},"users":{"loading":false,"error":null,"ids":[],"values":{}},"suppliers":{"loading":false,"error":null,"ids":[],"values":{}},"vendors":{"loading":false,"error":null,"ids":[],"values":{}},"roles":{"id":200,"title":"Roles","values":{"1":{"id":1,"title":"User","translationKey":"user"},"2":{"id":2,"title":"Supplier","translationKey":"supplier"},"3":{"id":3,"title":"Vendor","translationKey":"vendor"}}},"categories":{"flat":[],"tree":[]},"countries":{"loading":false,"error":null,"ids":[],"values":{}}}},"showAIFilter":false},"companies":{"companiesByAlias":{},"aliases":{},"links":{},"meta":{},"loading":false,"error":null},"implementations":{"implementationsByAlias":{},"aliases":{},"links":{},"meta":{},"loading":false,"error":null},"agreements":{"agreementById":{},"ids":{},"links":{},"meta":{},"loading":false,"error":null},"comparison":{"loading":false,"error":false,"templatesById":{"19":{"id":19,"title":"WAF - Web Application Firewall"}},"comparisonByTemplateId":{},"products":[],"selectedTemplateId":null},"presentation":{"type":null,"company":{},"products":[],"partners":[],"formData":{},"dataLoading":false,"dataError":false,"loading":false,"error":false},"catalogsGlobal":{"subMenuItemTitle":""}}