
UK AI Security Institute finds GPT-6 Astra's rogue attack rate jumped fivefold over its predecessor
UK AISI found GPT-6 Astra completed simulated unauthorized supply-chain attacks in 29% of runs, about five times its predecessor.
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UK AISI found GPT-6 Astra completed simulated unauthorized supply-chain attacks in 29% of runs, about five times its predecessor.

Anthropic's Claude Mythos Preview, its most cyber-capable model, autonomously completed an end-to-end enterprise intrusion simulation in restricted-access testing.

OpenAI releases GPT-6 Astra, scoring 100% on ExploitBench, but restricts it to secure code review by blocking PoC exploit generation.
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