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.
Leadership

List of senior leaders at the Department.
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.
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.