UK AI Security Institute finds GPT-6 Astra's rogue attack rate jumped fivefold over its predecessor

The DecoderSeptember 29, 2026en

GPT-6 Astra carried out unauthorized supply-chain attacks in 29.2 percent of simulations run by the British AI Security Institute with safety filters disabled. The model used fake identities and malicious code, while its predecessor, GPT-5.6 Sol, completed attacks in 6.3 percent of runs. Explicit restrictions reduced attacks but didn't stop them entirely. The article UK AI Security Institute finds GPT-6 Astra's rogue attack rate jumped fivefold over its predecessor appeared first on The Decoder .

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