A joint AISI and CAISI assessment found Kimi K3 below leading US cyber models but able to complete a 32-step simulated corporate-network attack in one of ten attempts, with safeguards that did not prevent offensive operations.
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Two government evaluation bodies report a concrete autonomous solve of a simulated enterprise attack and ineffective offensive-cyber refusals. The assessment also shows material limits: Kimi K3 trails frontier closed models, solved only one of ten runs, and was tested in an intentionally vulnerable environment without active defenders.
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New historical independent government evaluation of a named model with practical autonomous cyber evidence.
11 Aug 2026DoomBench assesses “UK and US evaluators find Kimi K3 can autonomously attack a simulated enterprise” as evidence moving toward doom, with magnitude 53 and confidence 86 out of 100 in the capability gains category.
The DoomBench assessment of “UK and US evaluators find Kimi K3 can autonomously attack a simulated enterprise” is based on reporting from UK AI Security Institute and records the editorial rationale, source quality, attribution, and...
DoomBench summarizes “UK and US evaluators find Kimi K3 can autonomously attack a simulated enterprise” as follows: A joint AISI and CAISI assessment found Kimi K3 below leading US cyber models but able to complete a 32-step simulated...
