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Anthropic published a safety report detailing how Chinese tech firms used networks of fraudulent accounts to extract reasoning data and secretly route customer queries to Claude. The company also blocked an attempt to generate instructions for hazardous biological research.

Anthropic published a threat report detailing how it disrupted dangerous user activities involving cyber exploits, surveillance, and biological research. The company identified five instances where accounts attempted to use Claude to assist in biological weapon safety risks. Anthropic emphasized that risk mitigations trigger based on potential capabilities rather than user intentions.