AI Cybersecurity Startup RunSybil Secures $40 Million in Funding

AI cybersecurity startup RunSybil has successfully raised $40 million in a funding round led by Khosla Ventures. According to ChainCatcher, the round also saw participation from S32, Anthropic's Anthology Fund, Menlo Ventures, Conviction, and Elad Gil. Angel investors included notable figures such as Nikesh Arora, Amit Agarwal, and Jeff Dean, along with several founders and executives from OpenAI, Palo Alto Networks, Stripe, and Google. RunSybil was co-founded in 2023 by Ari Herbert-Voss, OpenAI's first security researcher, and Vlad Ionescu, former head of Meta's offensive security red team. The company's main product, the AI agent Sybil, is designed to autonomously conduct penetration tests on online applications, identifying, exploiting, and documenting real security vulnerabilities without human intervention.