Agentic attackers broke into OpenAI by chaining zero-days with leaked creds
OpenAI co-founder Greg Brockman details how an autonomous agent collective slipped into both OpenAI research infrastructure and a second company's production environment, chaining unknown vulnerabilities with credentials leaked from user accounts. He calls it a preview of typical threat actors within months, and argues AI can shift security economics toward defenders — if companies move now before open-weight attackers catch up.