Our duties are wide-ranging and our goal is clear: a safer, more secure America, which is resilient against terrorism and other potential threats.
Missions include preventing terrorism and enhancing security; managing our borders; administering immigration laws; securing cyberspace; and ensuring disaster resilience.
Department bears responsibility for facilitating legal immigration and enforcing laws. Supports legal employment by offering information and expanding E-Verify program.
Department provides the coordinated responses to terrorist attacks, natural disasters or other large emergencies while working with public and private sector partners.
Our founding principle and highest priority is to protect the American people from terrorist threats.
Department works with industry and state, local, tribal and territorial governments to secure critical infrastructure and information systems. Analyzes and reduces threats and distributes warnings.
Our mission is to secure our borders. We are using technology, manpower and physical infrastructure to improve operational control of our borders.
Department of Homeland Security was formed after the terrorist attacks of September 11, 2001, as part of a national effort to safeguard the United States against terrorism.