The Department of Homeland Security was formed in the wake of the terrorist attacks of September 11, 2001, as part of a determined national effort to safeguard the United States against terrorism. The Department became the third-largest federal department, bringing together 22 different federal agencies, each with a defined role in this effort. Since the Department's creation, the goal is simple: one DHS, with integrated, results-based operations.
Since the Department's creation, the goal is simple: one DHS, one enterprise, a shared vision, with integrated results-based operations.
Learn how to work with DHS, how we assist small businesses, and about our policies, regulations, and business opportunities.
Learn about the types of programs DHS funds to help meet our nation's homeland security challenges.
Protecting the country from ever-evolving, transnational threats requires a strengthened homeland security enterprise that shares information across traditional organizational boundaries.
The DHS Privacy Office is responsible for evaluating the Department programs, systems, and initiatives for potential privacy impacts, and providing strategies to reduce the privacy impact.
The Federal Protective Service protects federal facilities, their occupants, and visitors by providing superior law enforcement and protective security services, and by leveraging our access to the intelligence and information resources of our network of federal, state, local, tribal, territorial, and private sector partners.
The Homeland Security Information Network (HSIN) is the Department of Homeland Security's official system for trusted sharing of Sensitive But Unclassified information between federal, state, local, territorial, tribal, international and private sector partners. Mission operators use HSIN to access Homeland Security data, send requests securely between agencies, manage operations, coordinate planned event safety and security, respond to incidents, and share the information they need to fulfill their missions and help keep their communities safe.