U.S. Orders DeepSeek Removed From Federal Civilian Systems, Bans New Purchases

Summary

The Department of Homeland Security ordered federal civilian agencies to remove DeepSeek products, and any third-party products or services "developed using DeepSeek implementations," from their information technology systems, and to stop buying from the Chinese AI developer or its affiliates. Secretary Markwayne Mullin signed the order, dated July 24, 2026, under the Federal Acquisition Supply Chain Security Act of 2018, and it was published in the Federal Register on October 20. The order names Hangzhou DeepSeek Artificial Intelligence Co., Ltd. and covers only civilian agency procurement and systems, not companies or the public.