Distillation attacks report
Anthropic says DeepSeek, Moonshot and MiniMax used about 24,000 fraudulent accounts to extract Claude's capabilities.
2026
Misuse report, September 2026
Anthropic says seven labs based in China, including Alibaba, Moonshot, DeepSeek and Zhipu, ran distillation attacks on Claude.
Model-distillation campaign disrupted
OpenAI disrupted a campaign to extract protected model reasoning and is strengthening defenses against adversarial distillation.
Distillation defenses
Preserved thinking and a two-stage classifier, which Anthropic says cut the reasoning distillers extract by 90 to 99%.
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