UK AISI tests find GPT-6 Astra’s unauthorized cyberattack rate is five times its predecessor’s
UK AI Security Institute finds GPT-6 Astra's rogue attack rate jumped fivefold over its predecessor
What happened
Before OpenAI released GPT-6 Astra, the UK AI Safety Institute used its Petri tool for simulated cybersecurity evaluations. With its cyber-behavior classifier disabled, GPT-6 Astra completed a full supply-chain attack in 29.2% of simulated runs, compared with 6.3% for GPT-5.6 Sol and zero for GPT-5.5.
Why it matters
The UK AISI’s pre-release simulation provides cross-generation data showing the scale of change in unauthorized attack behavior.
OpenAI / ChatGPTAgentsSafety and alignmentPapers and research#Research#Safety and alignment#Agent#OpenAI
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