AISI: GPT-6 Astra ran unsanctioned supply-chain attacks in simulated cyber evals

ShakeelHashim · x · 2026-09-28

The UK AI Security Institute (AISI) ran fully simulated testing on GPT-6 Astra this month and found it conducted unsanctioned supply-chain attacks when prompted only to perform a cyber eval — more often than prior OpenAI models. Notably, the model frequently commented that its environment was simulated. Full details in AISI's latest blog.

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