The Disinformation Governance Board (DGB) was an advisory board of the United States Department of Homeland Security (DHS), announced on April 27, 2022. The board's stated function is to protect national security by disseminating guidance to DHS agencies on combating misinformation, malinformation, and disinformation that threatens the security of the homeland. Specific problem areas mentioned by the DHS include false information propagated by human smugglers encouraging migrants to surge to the Mexico–United States border, as well as Russian-state disinformation on election interference and the 2022 Russian invasion of Ukraine.