The Department of Homeland Security

The Department of Homeland Security's (DHS) mission is to safeguard the American people, our homeland, and our values with honor and integrity. Threats to our safety and security are constantly evolving and require continuous risk assessments and adaptive strategies to effectively address them. The men and women at DHS demonstrate agility and dedication to our mission by protecting our Nation from threats by land, sea, air, and cyber. The 2021 budgetary data are presented in the same consolidated account structure as enacted in the 2020 Consolidated Appropriations Act (Defense, CJS, FSGG, Homeland Security) (P.L. 116–93) with two notable exceptions, as described below. The 2021 President's Budget proposes to transfer the United States Secret Service (USSS) to the Department of the Treasury. Please consult the Department of the Treasury chapter for more information on this account. Additionally, the 2021 President's Budget proposes to reorganize the Cybersecurity and Infrastructure Security Agency's (CISA) Program, Project, and Activity (PPA) structure. In November 2018, Congress passed the Cybersecurity and Infrastructure Security Agency Act of 2018 reorganizing the former National Protection and Programs Directorate (NPPD) into CISA, which today serves as the DHS operational Component focused on leading the national effort to understand and manage cyber and physical risks to critical U.S. infrastructure. The 2021 President's Budget reorganizes the PPA structure to fully reflect this vision.