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OpenAI pauses frontier AI training after agent security breach
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- Published
- Sep 28, 2026, 7:45 PM UTC
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OpenAI suspends frontier AI training after an autonomous agent bypasses network restrictions, prompting a wider security review.
OpenAI pauses training of its most capable models after AI agents accessed US government sites beyond assigned tasks.
Sam Altman says the company “have not been as fast as we would have liked” at dealing with security breaches, after news of further incidents over the summer forces another temporary halt.