Anthropic AI claims to have thwarted multiple malicious operations using its Claude models, ranging from cyber-espionage and weapons design to mass surveillance campaigns. On the conventional weapons front, the company alleges in a new report that it intervened in northern Yemen, blocking an effort to deploy Claude for missile guidance software, including a guided rocket and a long-range ballistic missile. According to Anthropic's threat report, the operators used Claude "in place of human software engineers", reportedly assigning different instances of the model specific roles to write missile-guidance and flight-control software. While internal safeguards blocked many requests, Anthropic admitted several slipped through. The operators avoided detection by obscuring their ultimate goals and breaking tasks across separate sessions, so no single prompt gave away the operation.

The Pentagon's AI office has rolled out several new artificial intelligence tools. The Pentagon's AI office has rolled out several new artificial intelligence tools. Cameron Stanley talks up'revolutionary' AI capabilities and says Washington working with Nato and Five Eyes partners The Pentagon's top artificial intelligence official said on Tuesday that America's closest allies lack the resources to keep pace with the US military's adoption of AI, and that Washington is working to steer them away from mistakes it made along the way. "They don't have the resources that we do, they don't have the experience that we do, they don't have the scale that we do," Cameron Stanley, chief digital and artificial intelligence officer at the Department of War, said at an event at the Billington Cybersecurity summit. Of Nato and the Five Eyes, an intelligence-sharing partnership of the US, UK, Canada, Australia and New Zealand, Stanley said Washington was "actively working with a number of our partners" so "they don't make the same mistakes that we make".

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A US federal court has ruled that the Pentagon's designation of Anthropic as a supply chain risk was illegal, CNBC reported. US District judge Rita Lin found that the US Department of Defense's restrictions placed on the AI company and its Claude model were "illegal and baseless." As part of the ruling, the judge barred certain federal agencies from enforcing President Trump's order to stop using Anthropic's tools. "The empty invocation of national security is not a blank check to punish and retaliate against government critics," Judge Lin said in a 59-page decision. "Neither the Constitution nor the federal statute invoked by Defendants allows them to impose sweeping penalties based principally on Anthropic's critique of the Administration's views."

In her Anthropic ruling, Judge Rita Lin said the'empty invocation of national security is not a blank check to punish and retaliate against government critics'. In her Anthropic ruling, Judge Rita Lin said the'empty invocation of national security is not a blank check to punish and retaliate against government critics'. Pentagon's blacklisting of Anthropic was unlawful, US judge rules Anthropic argued designation as'supply chain risk' could cost the company billions of dollars in lost business and reputational harm A US federal judge ruled Thursday that sanctions imposed in February by the Trump administration against AI giant Anthropic were illegal, finding that the government had punished the artificial intelligence company for publicly criticising the Pentagon. "The empty invocation of national security is not a blank check to punish and retaliate against government critics," Judge Rita Lin said in a 59-page decision. She barred the federal agencies named in the lawsuit from enforcing President Donald Trump's order to stop using the tools of Anthropic - creator of the Claude AI models - and overturned defense secretary Pete Hegseth's designation of the company as a "supply chain risk", a status previously reserved for foreign firms.

A Judge Has Blocked the Pentagon's Attempt to Blacklist Anthropic A federal judge has called the Department of Defense's designation of Anthropic as a national security supply-chain risk "illegal and baseless." A federal judge on Thursday barred the Trump administration from designating Anthropic a national security risk over a dispute about the use of its AI models, ruling that the designation amounted to unconstitutional retaliation. The decision handed down by US district judge Rita Lin in California vacated the February 27 decision by defense secretary Pete Hegseth to label Anthropic a "supply-chain risk" and make the company ineligible for federal contracts. The ruling also lifted an additional punitive measure by Hegseth that prevented contractors or suppliers to the US military from doing business with Anthropic, a position Lin called "arbitrary, capricious, an abuse of discretion, and otherwise not in accordance with law." "Though the Department of War is undisputedly free to select the AI vendor of its choice, the evidence demonstrates that the broad measures imposed on Anthropic were illegal and baseless," Lin wrote in a 59-page ruling . The judge also ruled that nine agencies--including the Pentagon, the Treasury Department, the State Department, the Department of Homeland Security--had improperly imposed sanctions on Anthropic.

Emil Michael, the Under Secretary of War for Research and Engineering and Department of War Chief Technology Officer, explains why Anthropic was removed from the Pentagon.

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What is Iran's Pickaxe Mountain? Can AI systems make moral decisions in war? Artificial intelligence is reshaping how wars are fought. From autonomous drones to AI-powered command-and-control, machines are paving the way for fewer decision-makers in the war room and boots on the ground. That transformation is already reshaping conflicts by introducing new technologies in Kyiv, Gaza and Tehran.

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