Below are a variety of topics handled by the Department of Homeland Security.
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Border Security
Protecting U.S. borders from the illegal movement of weapons, drugs, contraband and people, while promoting lawful trade and travel.
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Citizenship and Immigration
DHS plays a central role in administering the immigration system of the United States.
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Cybersecurity
Our daily life, economic vitality and national security depend on a stable, safe and resilient cyberspace.
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Economic Security
DHS works with international partners and the private sector to secure global systems of travel and trade.
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Election Security
A secure and resilient electoral process is a vital national interest and one of our highest priorities at DHS.
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Homeland Security Enterprise
DHS’s goal is simple: one DHS, with integrated, results-based operations.
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Human Trafficking
Human trafficking is a crime and a form of modern-day slavery involving the exploitation of children and adults.
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Immigration and Customs Enforcement
Focusing on smart enforcement, humane detention, preventing terrorism, and combating the illegal movement of people and goods.
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Preventing Terrorism
Protecting the American people from terrorist threats is the reason DHS was created, and remains our highest priority.
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Resilience
DHS works with all levels of the government to fight against and recover from attacks, accidents, natural disasters and threats.
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Science and Technology
S&T is the primary research and development arm of DHS, providing federal, state and local officials with technology to protect the U.S.
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Transportation Security
TSA employs a risk-based strategy to secure U.S. transportation systems, working closely with stakeholders, as well as law enforcement and intelligence partners.