TL;DR: Hex Security is a Y Combinator Winter 2026 startup Agentic Offensive Security at Scale, currently active with a team of 7.
Agentic Offensive Security at Scale
Last verified:
Hex Security builds AI agents that run continuous penetration tests against your apps and infrastructure. Instead of a once-a-year penetration test, Hex Security's agents works 24/7 to find and verify critical vulnerabilities so you can prevent them before attackers.
Built by LemStudio
Yes. Hex Security was funded by Y Combinator in the Winter 2026 batch. Agentic Offensive Security at Scale
Hex Security builds AI agents that run continuous penetration tests against your apps and infrastructure. Instead of a once-a-year penetration test, Hex Security's agents works 24/7 to find and verify critical vulnerabilities so you can prevent them before attackers.
Hex Security was part of Y Combinator's Winter 2026 batch.
Hex Security has a team of 7 people according to Y Combinator's directory.
Hex Security is currently listed as Active with a team of 7 in Y Combinator's directory.
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