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DHS Mission

Last Updated: February 28, 2022 | Press Releases

S&T Awards Funding to Minority Serving Institutions to Advance Summer Research Projects

DHS S&T announces 17 faculty members from Minority Serving Institutions (MSI) are selected to receive a total of $824,234 in funding to advance their research projects.

Last Updated: December 1, 2021 | Publication

S&T Insights Outreach October 5 Presentation Brief

Learn from S&T’s Office of Requirements and Analysis, DHS’s Countering Weapons of Mass Destruction Office, and Industry Partnerships about how S&T works with innovators to help develop technologies and deliver solutions that address DHS priorities.

Last Updated: August 5, 2021 | Press Releases

News Release: S&T to Demonstrate Innovative Solutions for Critical DHS Mission Needs

Virtual demonstration series on September 14–17, 2021, will showcase new technology solutions funded by its Silicon Valley Innovation Program.

Last Updated: June 24, 2021 | Publication

DHS Actions: Cybersecurity

President Biden has made cybersecurity a top priority for the Biden-Harris Administration at all levels of government. The Department of Homeland Security and its components, namely its Cybersecurity and Infrastructure Security Agency, play a lead role in strengthening resilience across the nation and sectors, investigating malicious cyber activity, and advancing cybersecurity alongside our democratic values and principles.

Last Updated: June 8, 2021 | Site Page

Office of the Chief Readiness Support Officer

The Department’s readiness support community is responsible for a variety of function. Every function is critical for the Department to meet its mission.

Last Updated: July 3, 2019 | Site Page

Preserve and Uphold the Nation's Prosperity and Economic Security

America’s prosperity and economic security are integral to DHS’s homeland security operations, which affect international trade, national transportation systems, maritime activities and resources, and financial systems.

Last Updated: July 3, 2019 | Site Page

Guiding Principles

The U.S. Department of Homeland Security holds five guiding principles that shape our mission.

Last Updated: October 9, 2018 | Site Page

DHS Personnel Security Info & Reference Materials

Information on policies, procedures, and general reference information related to personnel security at DHS. This information is provided to aid DHS’s industry partners, as well as the general public, in navigating the personnel security landscape when doing business with DHS.

Last Updated: October 5, 2018 | Site Page

Office of the Chief Security Officer

The Office of the Chief Security Officer (OCSO) is a DHS Headquarters element located within the Management Directorate. The OCSO Mission is to deliver enterprise wide security solutions to protect the Department's people, information and resources against constant evolving threats.

Last Updated: May 8, 2018 | Testimony

Written testimony of DHS Secretary Nielsen for a Senate Appropriations Subcommittee on Homeland Security hearing on the Fiscal Year 2019 budget request for the U.S. Department of Homeland Security

U.S. Department of Homeland Security (DHS) Secretary Kirstjen Nielsen addresses DHS’ crucial missions and presents the President’s Fiscal Year 2019 Budget request for the Department.