RunSybil is an AI-native offensive security platform that automates hacker intuition to provide application security testing capabilities to defenders. Founded in 2023, the company's core product is Sybil, an autonomous AI agent that continuously tests applications and infrastructure for exploitable vulnerabilities. It operates as a black-box solution, reasoning like an elite human security researcher without requiring source code access.
The company's founding team includes a former OpenAI security hire and a former Meta offensive security lead. Its technical team comprises world-renowned hackers from firms including Mandiant, NCC Group, Trail of Bits, and Palantir. The company's work spans the domains of AI agents, offensive security, vulnerability testing, and application security.
RunSybil has secured $40 million in funding from prominent venture capital firms including Khosla Ventures.
