Topics | Homeland Security
Source: https://www.dhs.gov/topics
Archived: 2026-04-23 17:18
Topics | Homeland Security
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Topics
Topics
Border Security
Citizenship and Immigration
Cybersecurity
Disasters
Election Security
Homeland Security Enterprise
Human Trafficking
Immigration and Customs Enforcement
Preventing Terrorism and Targeted Violence
Resilience
Science and Technology
Trade and Economic Security
Transportation Security
Topics
Below are a variety of topics handled by the Department of Homeland Security.
Image
Protecting U.S. borders from the illegal movement of weapons, drugs, contraband and people, while promoting lawful trade and travel.
Border Security
Image
DHS plays a central role in administering the immigration system of the United States.
Citizenship and Immigration
Image
Our daily life, economic vitality and national security depend on a stable, safe and resilient cyberspace.
Cybersecurity
Image
Whatever the disaster, FEMA leads the federal government’s response as part of a team of responders.
Disasters
Image
DHS works with international partners and the private sector to secure global systems of travel and trade.
Economic Security
Image
A secure and resilient electoral process is a vital national interest and one of our highest priorities at DHS.
Election Security
Image
DHS’s goal is simple: one DHS, with integrated, results-based operations.
Homeland Security Enterprise
Image
Human trafficking is a crime and a form of modern-day slavery involving the exploitation of children and adults.
Human Trafficking
Image
Focusing on smart enforcement, humane detention, preventing terrorism, and combating the illegal movement of people and goods.
Immigration and Customs Enforcement
Image
Protecting the American people from terrorist threats is the reason DHS was created, and remains our highest priority.
Preventing Terrorism
Image
DHS works with all levels of the government to fight against and recover from attacks, accidents, natural disasters and threats.
Resilience
Image
S&T is the primary research and development arm of DHS, providing federal, state and local officials with technology to protect the U.S.
Science and Technology
Image
TSA employs a risk-based strategy to secure U.S. transportation systems, working closely with stakeholders, as well as law enforcement and intelligence partners.
Transportation Security
Last Updated:
02/19/2026
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Skip to main content
Official websites use .gov
A
.gov
website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A
lock
(
)
or
https://
means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Countdown to America's 250th Anniversary!
162
Days
5
Hours
47
Minutes
notice
Due to the lapse in federal funding, this website will not be actively managed. Click here for more information.
Breadcrumb
Home
Topics
Topics
Border Security
Citizenship and Immigration
Cybersecurity
Disasters
Election Security
Homeland Security Enterprise
Human Trafficking
Immigration and Customs Enforcement
Preventing Terrorism and Targeted Violence
Resilience
Science and Technology
Trade and Economic Security
Transportation Security
Topics
Below are a variety of topics handled by the Department of Homeland Security.
Image
Protecting U.S. borders from the illegal movement of weapons, drugs, contraband and people, while promoting lawful trade and travel.
Border Security
Image
DHS plays a central role in administering the immigration system of the United States.
Citizenship and Immigration
Image
Our daily life, economic vitality and national security depend on a stable, safe and resilient cyberspace.
Cybersecurity
Image
Whatever the disaster, FEMA leads the federal government’s response as part of a team of responders.
Disasters
Image
DHS works with international partners and the private sector to secure global systems of travel and trade.
Economic Security
Image
A secure and resilient electoral process is a vital national interest and one of our highest priorities at DHS.
Election Security
Image
DHS’s goal is simple: one DHS, with integrated, results-based operations.
Homeland Security Enterprise
Image
Human trafficking is a crime and a form of modern-day slavery involving the exploitation of children and adults.
Human Trafficking
Image
Focusing on smart enforcement, humane detention, preventing terrorism, and combating the illegal movement of people and goods.
Immigration and Customs Enforcement
Image
Protecting the American people from terrorist threats is the reason DHS was created, and remains our highest priority.
Preventing Terrorism
Image
DHS works with all levels of the government to fight against and recover from attacks, accidents, natural disasters and threats.
Resilience
Image
S&T is the primary research and development arm of DHS, providing federal, state and local officials with technology to protect the U.S.
Science and Technology
Image
TSA employs a risk-based strategy to secure U.S. transportation systems, working closely with stakeholders, as well as law enforcement and intelligence partners.
Transportation Security
Last Updated:
02/19/2026
Back to Top