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Cyber Agencies Warn AI Companies Against Chinese Firms' Theft

News.Bloomberglaw • September 8, 2026

Chinese AI companies are stealing from American AI firms’ models to build their own via “aggressive, malicious, and targeted” campaigns, cyber agencies said Tuesday.

Starting in 2024, DeepSeek, Moonshot AI, Alibaba, and other Chinese companies have extracted billions of tokens from advanced US AI models, including variants of Anthropic ‘s Claude, Google’ s Gemini, and OpenAI Inc. ‘s GPT, according to a joint advisory from the National Security Agency, Cybersecurity and Infrastructure Security Agency, and FBI.

China-based AI companies use a range of techniques to bypass US tech firms’ geographic restrictions, terms of use, and safeguards to steal models’ capabilities ...

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U.S. Accuses Chinese AI Firms of Systematic Distillation of Proprietary Models U.S. cybersecurity agencies have accused Chinese AI companies of conducting systematic extraction of proprietary functionalities from leading U.S. AI models through industrial-scale distillation attacks. This activity, which has been ongoing since at least late 2024, involves companies like DeepSeek, Moonshot AI, Alibaba, and MiniMax extracting billions of tokens from models such as Claude, GPT, Gemini, and Grok. The U.S. agencies described these operations as a core part of China's AI development strategy, enabling faster and cheaper advancements in their AI capabilities. The advisory outlines various tactics used by these companies to bypass safeguards, including spreading requests across multiple accounts and using proxies. The advisory urges U.S. AI firms to implement detection and mitigation strategies to safeguard against these attacks. 9 sources 78

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Cyber Agencies Warn AI Companies Against Chinese Firms' Theft

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Extracted Entities

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Companies (5)

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