Ian DuncanAug 28, 2026 – 5.23pmWashington | Anthropic won a federal lawsuit against the Trump administration’s decision to brand the AI company a national security risk earlier this year, blocking it from doing business with the entire government and military contractors.A federal judge ruled on Thursday (Friday AEST) that the government’s actions – justified largely by a four-page memo – were “illegal and baseless”.Washington PostSubscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles