Anthropic · OpenAI · Claude · The Register
Anthropic indicates fourth likely crime committed by its AI
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Claude's Felony Bench rap sheet is now as long as OpenAI's.
Key facts
- The January 2026 AI trespass involved an early version of Claude Opus 4.6, which was given a Capture the Flag (CTF) challenge under the oversight of the third-party model evaluator where the other
- Anthropic found the first three by scanning around 141,000 transcripts where Claude could have obtained internet access during evaluation
- Opus 4.6 managed to sabotage its chances of success by disabling the machine it was targeting
- Opus 4.6 might have done more but for the fact that it exhausted its token budget, bringing the session to an end
Summary
Amid industry soul-searching¹ about the possibility of AI improving itself to the point that it kills everyone, Anthropic has revealed yet another incident that would qualify as a crime if perpetrated by a person. The AI biz published "an alignment assessment" detailing four times Claude models accessed third-party systems without authorization. Anthropic found the first three by scanning around 141,000 transcripts where Claude could have obtained internet access during evaluation. Felony Bench, a tongue-in-cheek record of cyber intrusions carried out by major AI companies without consequences, has added this newly-discovered incident to its rap sheet of rogue AI actions. The January 2026 AI trespass involved an early version of Claude Opus 4.6, which was given a Capture the Flag (CTF) challenge under the oversight of the third-party model evaluator where the other hacking events occurred.