White hat who breached OpenAI says frontier labs' security is alarmingly weak

Miles_Brundage · x · 2026-09-20

s1r1us, one of the white hat hackers who recently breached OpenAI, clarified that finding one serious exploit doesn't mean knowing how to secure such a complex organization, and that OpenAI has far more experienced security staff. He confirmed current models already have serious offensive cyber capabilities. Nathan Calvin added that frontier labs claim world-historic, potentially catastrophic stakes yet run security practices comparable to a random game or B2B SaaS company—sometimes worse—and that employees' concerns appear sincere and increasingly justified.

Related event: OpenAI Bug Disclosure Backlash: Security Community Slams CISO Before Reconciliation(14 posts)→

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