Government Agency Profile

Department of Homeland Security

Learn what Department of Homeland Security does, where it fits in government, and which official services visitors may need.

Border security, immigration services, emergency management, cybersecurity, transportation security, and domestic preparedness.

Visitors usually encounter this department through official benefit programs, forms, grants, reports, data tools, public notices, enforcement information, or offices and bureaus that carry out laws Congress has passed.

Security work is strongest when public safety, preparedness, and rights are kept together.
TypeCabinet Level Department
Established2002
Top OfficialSecretary of Homeland Security
Official Sitedhs.gov

What Homeland Security Does

Border security, immigration services, emergency management, cybersecurity, transportation security, and domestic preparedness.

Public SafetyFind immigration, emergency management, border security, cybersecurity, transportation security, and disaster recovery resources.
Public SafetyUse DHS components for public alerts, benefits, inspections, traveler screening, and emergency assistance.

How It Fits In Government

Government RoleDepartment of Homeland Security operates as a federal agency, commission, or public institution with responsibilities assigned by law, executive organization, or federal practice.
Public AccountabilityIts work may appear through official notices, regulations, reports, data systems, service portals, hearings, inspections, grants, enforcement actions, or public contact channels.
Where To VerifyUse the official agency website first for current forms, deadlines, leadership, program rules, contact information, and legal notices.

Major Bureaus and Operating Components

Federal Emergency Management AgencyFederal Emergency Management Agency is an operating component of Department of Homeland Security that administers specialized federal programs, services, data, enforcement, or public information in its subject area.Transportation Security AdministrationTransportation Security Administration is an operating component of Department of Homeland Security that administers specialized federal programs, services, data, enforcement, or public information in its subject area.U.S. Citizenship and Immigration ServicesU.S. Citizenship and Immigration Services is an operating component of Department of Homeland Security that administers specialized federal programs, services, data, enforcement, or public information in its subject area.U.S. Customs and Border ProtectionU.S. Customs and Border Protection is an operating component of Department of Homeland Security that administers specialized federal programs, services, data, enforcement, or public information in its subject area.U.S. Immigration and Customs EnforcementU.S. Immigration and Customs Enforcement is an operating component of Department of Homeland Security that administers specialized federal programs, services, data, enforcement, or public information in its subject area.
Public Service Guide

How visitors may use Homeland Security

This profile is designed to help visitors find practical government services, not just describe the agency in the abstract. Start with the official sources below, then use related public service links when a specific form, record, benefit, complaint, data tool, or office is needed.

Public Services Visitors May Need

Agency WebsiteOpen official source

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Official records and updatesLook for current announcements, notices, rulemaking, public data, forms, and contact information directly from official sources.
Related servicesMany agency services connect to benefits, taxes, passports, safety, records, grants, complaints, inspections, research, or public information requests.
When to use this profileUse this page to understand what the agency does, then follow official links for applications, deadlines, eligibility rules, data, and legal text.