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 of Homeland Security
The Secretary of Homeland Security oversees the third largest Cabinet department and leads our nation's efforts to secure our country from the many threats we face.
Budget & Performance
Documentation of how effectively DHS performs its mission and provides stewardship of resources.
Careers
DHS has unique career opportunities to serve your country, and reward your skills and talents.
Do Business with DHS
Learn how to work with DHS, how we assist small businesses, and about our policies, regulations, and business opportunities.
Laws & Regulations
Laws are passed by Congress and signed by the President. Regulations are issued to carry out the intent of enacted legislation.
History
The Department of Homeland Security was established in 2002, combining 22 different federal departments and agencies into a unified, integrated Cabinet agency.
DHS Digital Strategy
We are making it easier to use departmental data to improve the quality of services to the American people and develop products that promote innovation.
Contact Us
Look up 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.
