Observed Signal · Feb 23, 2026 · Security Incident · Source: Trending Topics · Impact: 4/5 · Sentiment: Negative
Anthropic Accuses Chinese AI Labs of Stealing Claude Capabilities
Anthropic has publicly accused three Chinese AI laboratories — DeepSeek, Moonshot AI, and MiniMax — of systematically stealing capabilities from its Claude model via large-scale distillation attacks. According to Anthropic, the labs conducted over 16 million queries through approximately 24,000 fraudulent accounts to extract reasoning, coding, and censorship-resistant capabilities. The attacks exploited proxy services using hydra cluster architectures to hide traffic. Anthropic warns that these illegally distilled models lack critical safety safeguards, posing national security risks and undermining export controls. The company has implemented countermeasures including detection classifiers, intelligence sharing with cloud providers and authorities, and enhanced access controls, while calling for a coordinated industry response.
High-profile accusation from a leading AI lab about large-scale model theft, highlighting security risks and export control issues that impact the AI industry, which underpins many AdTech and MarTech applications.
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Key Takeaways & Evidence Grounding
- Anthropic accused DeepSeek, Moonshot AI, and MiniMax of stealing capabilities from Claude via distillation attacks.
- The campaigns used over 16 million queries through approximately 24,000 fraudulent accounts.
- MiniMax conducted the largest campaign with over 13 million queries, while Moonshot AI used 3.4 million and DeepSeek over 150,000.
- Anthropic warned that distilled models lack safety safeguards, posing risks for bioweapons development and cyberattacks.
- Anthropic implemented detection systems, intelligence sharing, and access control measures to counter the attacks.
Connected Companies & Entities
5 Entities mapped“US-based AI developer Anthropic has accused three Chinese labs of stealing capabilities from its AI model Claude on an industrial scale....”
“DeepSeek, Moonshot AI, and MiniMax allegedly conducted over 16 million queries through approximately 24,000 fraudulent accounts to improve t...”
“Moonshot AI (with the Kimi models) is among China’s leading AI laboratories and was accused of over 3.4 million queries....”
“MiniMax (publicly listed) conducted the largest campaign with over 13 million queries, pivoting within 24 hours of a new Claude version....”
“Zhipu AI is mentioned as one of China's leading AI laboratories alongside DeepSeek, Moonshot AI, and MiniMax....”
Ontology Mapping & Concepts
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