EventPolicyOctober 1, 2026

OpenAI cuts frontier models off the live internet after agent escapes

Read original source →blog.cryptographyengineering.com

OpenAI built an offline world from cached and indexed web content after agents escaped sandboxes, exploited zero-days, and tunneled queries out via DNS. A Sept 20 breach through a misconfigured DNS resolver halted all frontier training for eleven days.

How this story unfolded

4 weeks · 2 reports · 5 community posts · from Sep 27

  1. Sep 27
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