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Hex Security
Hex Security builds AI agents that run continuous penetration tests against applications and infrastructure. The company automates offensive security at scale, replacing traditional once-a-year manual penetration testing with 24/7 autonomous vulnerability detection. Their AI agents have discovered critical vulnerabilities including SQL injections exposing billions of records and demonstrated proof-of-concept worms that could infect entire networks across dozens of Y Combinator companies.
Company Founded in 2026
SaaS
