A U.S. judge on Thursday enjoined the Pentagon from blacklisting Anthropic, developer of the Claude AI, after Anthropic sued in federal court in California alleging Defense Secretary Hegseth exceeded his authority by naming the firm a national-security supply-chain risk. The designation, under rules that allow the government to flag companies that could expose military systems to infiltration or sabotage, had barred Anthropic from certain defense contracts. Anthropic has refused military use of

A U.S. judge on Thursday enjoined the Pentagon from blacklisting Anthropic, developer of the Claude AI, after Anthropic sued in federal court in California alleging Defense Secretary Hegseth exceeded his authority by naming the firm a national-security supply-chain risk. The designation, under rules that allow the government to flag companies that could expose military systems to infiltration or sabotage, had barred Anthropic from certain defense contracts. Anthropic has refused military use of Claude for U.S. surveillance or autonomous-weapon development; executives warned the designation could cost the company billions and damage its reputation. This is the latest development in a high-stakes dispute with the U.S. military over battlefield AI safety.