DirectDefense

Since 2011, DirectDefense has been offering comprehensive computer security testing services with specialization in application security, vulnerability assessments, penetration testing, and compliance assurance testing. Boasting a group of well-rounded and diverse consultants, DirectDefense has worked with a majority of the Fortune 100 companies, including power and utility, gaming, retail, financial, media, travel, aerospace, healthcare, and software development organizations.
Source: https://www.linkedin.com/company/directdefense/about/