US bans DeepSeek from federal civilian agencies and contractsDepartment of Homeland Security ordered civilian agencies to remove DeepSeek technology and barred future purchases, citing concerns about sensitive data transfer to China.Oct 19, 2026·4 sourcesDHS ban on DeepSeek in civilian federal agenciesDeepSeekChinaDepartment of Homeland SecurityAI RegulationAI securityAI privacy & surveillanceGovernment policyU.S.–China relations00