Dan Guido
CEO and co-founder
Trail of Bits
Security research and engineering firm auditing software, blockchains and AI systems and building open-source security tools
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About
Trail of Bits is a New York-based security research and engineering firm founded in 2012. It performs security reviews across application security, cryptography, blockchain, AI/ML, low-level systems and software supply chain, publishes most of its audit reports openly, and maintains more than 100 open-source projects including Slither, Echidna and Manticore. iVerify and Algo VPN started as Trail of Bits projects. Its Buttercup cyber reasoning system won second place ($3M) at the DARPA AI Cyber Challenge finals in 2025. Since June 2026 it has worked with OpenAI on Patch the Planet, finding and fixing bugs in open-source projects; on October 13, 2026 The Information reported that OpenAI is in early talks to acquire the firm (neither company has commented publicly).
- Website
- trailofbits.com
- Founded
- 2012
- Location
- New York, New York, USA
- Added via
- web
- Ownership
- unclaimed