US Department of Homeland Security Bans DeepSeek: A Ban Quietly Enforced for Three Months
The US Department of Homeland Security has disclosed an exclusion order against DeepSeek nearly three months after it took effect, requiring federal civilian agencies to remove DeepSeek software and any third-party products built on DeepSeek implementations. The order treats model weight provenance as a supply-chain security issue and signals a replicable template for reviewing Chinese AI models.