Official website of the Department of Homeland Security
About DHS
The Department of Homeland Security has a vital mission: to secure the nation from the many threats we face. This requires the dedication of more than 240,000 employees in jobs that range from aviation and border security to emergency response, from cybersecurity analyst to chemical facility inspector. Our duties are wide-ranging, and our goal is clear - keeping America safe.
Mission
With honor and integrity, we will safeguard the American people, our homeland, and our values.
Organization
The list of all Operational and Support Components that make up the Department along with our organization chart and the list of senior leadership.
Secretary Jeh Charles Johnson
Secretary Jeh Johnson oversees the third largest Cabinet department and leads our nation's efforts to secure our country from terrorism to natural disasters.
Budget & Performance
Here’s where the public and others can assess how effectively DHS performs its mission and provides stewardship of resources.
Careers
Challenge your mind and use your skills and talents with a DHS career. Our employees play a vital role to secure our country and preserve our freedoms.
Do Business with DHS
Start here if you want to learn how to work with DHS, how we assist small businesses and about our policies, regulations and business opportunities.
Laws & Regulations
Public laws are passed by Congress and signed into law by the President. Regulations are issued to carry out the intent of legislation enacted by Congress.
History
The Department of Homeland Security combined 22 different federal departments and agencies into a unified, integrated cabinet agency when it was established in 2002.
DHS Digital Strategy
DHS is committed to enabling better utilization of departmental data to improve the quality of services to the American people, while developing products that promote innovation while maintaining enhanced security.
Contact Us
Lookup email and mailing addresses, telephone numbers, help-desk support for Web applications, instructions on how to report incidents and more.
Employee Resources
Resources for employees of the U.S. Department of Homeland Security.
Presidential Transition Office
The Presidential Transition Office coordinates and supports the Department’s transition activities to ensure continuity of operations and facilitate a seamless transition from the current presidential administration to the next administration.
