Bugcrowd - Harness the largest pool of curated and ranked security researchers to run the most efficient bug bounty and penetration tests
Riot - Phishing training for your team
HackenProof - The world trusted Bug Bounty Platform for crypto projects
Sycurus - Affordable, complete platform for cyber security
Axonius - Cyber security asset management to see and secure all
CYREX - Web security vulnerability assessment & penetration testing