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Anthropic Accuses Alibaba of Largest Distillation Attack on AI Models

ID: deb53737-086d-5ca9-bdd2-f364b479b1f1

STIX ID: report--deb53737-086d-5ca9-bdd2-f364b479b1f1

Feed Name: ThreatCluster

Threat Score
70/100

Date Published: 2026-06-25

Date Updated: 2026-06-25

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Anthropic accuses Alibaba of running the largest-known distillation attack against its Claude AI models, employing 25,000 fraudulent accounts to carry out 28.8 million exchanges aimed at illicitly extracting model capabilities; Anthropic has alerted U.S. lawmakers and called for regulatory action amid U.S. export controls and Pentagon scrutiny of Alibaba.

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