An October 19, 2026 U.S. Department of Homeland Security notice ordered federal civilian agencies to remove DeepSeek technology from information systems over cybersecurity concerns that models could transfer sensitive data to the People's Republic of China

From the articleDHS Orders DeepSeek Technology Removed From Federal Civilian IT SystemsAlso in US Moves to Bar DeepSeek From Federal Agencies and Contracts, US bans DeepSeek AI from government use as tech tension with China continues, US civilian agencies can’t use DeepSeek, DHS says.