HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Cyberdesic - Cybersecurity professionals, on demand
Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...
CYREX - Web security vulnerability assessment & penetration testing
Trustwave Services - Trustwave is a leading cybersecurity and managed security services provider that helps businesses fight cybercrime, protect data and reduce security risk.
PentestHero.io - Your pentest partner in the cloud