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FDLP Resource Guides

U.S. Department of Homeland Security

Overview

The U.S. Department of Homeland Security (DHS) is under the Executive Branch of the U.S. Government. It is one of fifteen executive departments. This guide provides an overview about the DHS, including its operational components, highlighted publications, and featured online information, as of June 2025.

A US Coast Guard helicopter continues to carry out missions and assignments after hurricane Katrina swept through the area in Mississippi on September 30, 2005

A US Coast Guard helicopter continues to carry out missions and assignments after hurricane Katrina swept through the area in Mississippi on September 30, 2005 (Image source: NAID: 5691771)

Quick Facts about the DHS

Seal of the DHS

Mission: "To secure the nation from the many threats we face."

Established: 2002 (Homeland Security Act of 2002)

Secretary: Kristi Noem

Core Values: Integrity, Vigilance, Respect

Operation: Over 260,000 employees

DHS Resources and Information

Resource Information
Main Website Visit the official website of the DHS.
How Do I?

See frequently asked questions for different audiences:

Cybersecurity Learn about how DHS is "strengthening cybersecurity resilience."
Department Organizational Chart See the organizational chart of DHS, as of November 2023.
Get Involved Engage in different programs, including #BeCyberSmart, Ready.gov, and U.S. Coast Guard Auxiliary.
History Delve into DHS' past, from secretaries to the department's seal.
Laws & Regulations Read about DHS rulemaking, regulations, presidential directives, and guidance.
News Find the latest news, speeches, testimonies, fact sheets, and more.
REAL ID Apply for this identification "to fly domestically or visit certain Federal facilities."