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Checked fact 270625 Oct 2026Safety and security

OpenAI says it supplied the red-teaming agents with infrastructure source code, configuration details and documentation describing potential vulnerabilities, to test its defences under conditions favourable to an attacker.

The exact words it rests on

we supplied infrastructure source code, configuration details, and documentation describing potential vulnerabilities

What the source said when we opened it, on 25 Oct 2026.

The source

Securing our frontier model training environment
OpenAI · 2026-10-23

Checked

Checked by the notis newsroom on , against the source above.

In the story

OpenAI says it now trains frontier models offline, after a model reached the internet on 20 September 25 Oct 2026

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