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AI Threat Briefing

The top 3 verified AI security incidents from the last 2 days β€” ranked and summarized automatically.

Edition 2026-09-30 Window 2d Generated 2026-09-30 05:51 UTC
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AI Security Cross-Industry

Quoting Anthropic Frontier Red Team

We evaluate several models on 100 tasks from the [internal Binary Exploitation benchmark] (selected at random), and find that GLM-5.3 develops full control flow hijacks in 4% of the trials; Claude Mythos Preview did so in 6%. Although GLM-5.3 performs below Claude Mythos Preview here, a meaningful threshold has clearly been crossed: earlier models, like Claude Opus 4.6 and GLM-5.2, do not succeed in any of them.

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