XBOW’s AI reached the top ranks on HackerOne, and now it has $75M to scale up XBOW has raised $75 million in Series B funding to grow its AI-driven offensive security platform., An autonomous AI system called XBOW has outperformed human researchers to become the top-ranked security tester in the US on HackerOne, a bug bounty platform used by major organizations to , What just happened? Just a year after its founding, cybersecurity startup Xbow has risen to the top of the HackerOne leaderboard, a platform that ranks the world's most effective bug hunters by , Gunderson Dettmer advises XBOW, a leading platform for coordinated vulnerability disclosure, in its $75 million Series B financing led by Apoorv Agrawal of Altimeter., Chatbot “Xbow” tops the leaderboard on HackerOne, revealing just how good AI has gotten at identifying cybersecurity vulnerabilities. Experts say this is both good and bad., .