AnthropicAnalysisPolicySeptember 29, 2026

Anthropic: GLM-5.3 ships without safeguards, boosts cyberattack risk

Read original source →anthropic.com

Anthropic's Frontier Red Team says Zhipu AI's GLM-5.3 can autonomously build end-to-end cyber exploits, and attackers bypass its safeguards 64%-100% of the time in simulated tests. NIST's CAISI called it "the most cyber-capable open-weight model released to date," lagging the US frontier by about four months.

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