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0.security
YC F26San Francisco, US · Founded 2026 · 2 employees · 1 known investors
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0.security develops AI agents that autonomously test software for vulnerabilities, verify them, and deploy fixes across the full stack from web apps to the Linux kernel. It serves developer teams, enterprises, defense organizations, and critical infrastructure providers through a cloud product and an open-source offensive security harness.
Also known as 0sec · 0sec Labs · 0security
CybersecurityEnterprise SoftwareB2BOpen SourceEnterpriseDefenseUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (F26)
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Doruk Tan OzturkFounderCo-founder of 0.security who previously worked as a cyber defense engineer at MGB and served as chief engineer for cyber and autonomous systems on the FHNW Swiss Mars Rover Team. He founded the Swiss lofi production brand Peak Twilight, co-founded and exited Soothe Studios, and attended ETH Zürich.
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Fabian ZbindenFounderFabian Zbinden is a co-founder of 0.security, with a background in fintech that includes founding the quant fund Mellivora Capital, serving as an early employee at Crypto Finance (later acquired by Deutsche Börse) where he helped grow the team from 10 to over 100 people, and founding the sustainable clothing brand BEEYOND. He is also a self-taught filmmaker and cinematographer.
Investors · 1
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Frequently asked questions
- What does 0.security do?
- 0.security develops AI agents that autonomously test software for vulnerabilities, verify them, and deploy fixes across the full stack from web apps to the Linux kernel. It serves developer teams, enterprises, defense organizations, and critical infrastructure providers through a cloud product and an open-source offensive security harness.
- Who are 0.security's investors?
- 0.security's investors include Y Combinator.
- Where is 0.security headquartered?
- 0.security is headquartered in San Francisco, US.