Today's Hours
The Department of Homeland Security (DHS) protects the American people from a wide range of foreign and domestic threats. DHS has a broad and diverse mission set, including to prevent and disrupt terrorist attacks, protect critical infrastructure and civilian computer networks, facilitate lawful trade and travel, respond to and recover from natural disasters, protect our borders, and regulate the migration of individuals to and from our country.
About DHS Learn about the wide-ranging duties of the DHS.
Comunicados de Prensa Press Releases
En Español Lo siguiente es información del Departamento de Seguridad Nacional (DHS, por sus siglas en inglés) disponible en español.
Get Involved Homeland security starts with hometown security, and everyone has a part to play. Learn more and make a difference.
How Do I? Looking for a quick answer? Find answers pertaining to the DHS, businesses, the public, travel and an alphabetical list of topics.
In Focus Here are some of the key current issues that are part the Department's mission.
The Publications Library Contains guidance and policy papers, reports, strategies, program regulations, guidelines, brochures and more.
Student Opportunities The DHS offers a variety of prestigious scholarships, fellowships, internships and training opportunities to expose talented students to the broad national security mission.
Topics There are a variety of topics handled by the DHS, ranging from border security, citizenship and immigration, disasters, human trafficking and more.
U.S. Citizenship and Immigration Services (USCIS) Is the federal agency that oversees lawful immigration to the United States.
United States Coast Guard (USCG) Is the only military organization within DHS and protects the maritime economy and the environment, defends our maritime borders, and saves those at risk.
U.S. Customs and Border Protection (CBP) Priority mission is to keep terrorists and their weapons out of the U.S. CBP also secures and facilitates trade and travel while enforcing regulations, including immigration and drug laws.
Cybersecurity and Infrastructure Security Agency (CISA) Leads the national effort to understand, manage, and reduce risk to our cyber and physical infrastructure.
Federal Emergency Management Agency (FEMA) Supports our citizens and first responders to build, sustain, and improve our capability to prepare for, protect against, respond to, recover from, and mitigate all hazards.
Federal Law Enforcement Training Center (FLETC) Provides career-long training to law enforcement professionals to help them fulfill their responsibilities safely and proficiently.
U.S. Immigration and Customs Enforcement (ICE) Promotes homeland security and public safety through the criminal and civil enforcement of federal laws governing border control, customs, trade, and immigration.
National Terrorism Advisory System (NTAS) is designed to communicate information about terrorist threats by providing timely, detailed information to the American public.
U.S. Secret Service (USSS) Safeguards the nation's financial infrastructure and payment systems to preserve the integrity of the economy, and protects national leaders (including the POTUS), visiting heads of state and government, designated sites, and National Special Security Events.
Transportation Security Administration (TSA) Protects the nation's transportation systems to ensure freedom of movement for people and commerce.
Countering Weapons of Mass Destruction Office (CWMD) Works to prevent attacks against the United States using a weapon of mass destruction (WMD) through timely, responsive support to operational partners.
Management Directorate Ensures that the Department’s over 260,000 employees have well-defined responsibilities and that managers and their employees have efficient means of communicating with one another, with other governmental and nongovernmental bodies, and with the public they serve.
Ombudsman Offices An ombudsman analyzes, reports on, and raises complaints, concerns, and recommendations to the appropriate agency for resolution. This work is done with a commitment to neutrality, independence, and confidentiality. The ombudsman offices are separate and distinct from the agencies they oversee.
Office of Health Security (OHS) Is the principal medical, workforce health and safety, and public health authority for DHS.
Office of Homeland Security Situational Awareness (OSA) Provides operations coordination, information sharing, situational awareness, common operating picture, and executes the Secretary's responsibilities across the homeland security enterprise.
Office of Intelligence and Analysis Helps the Homeland Security Enterprise with the timely intelligence and information it needs to keep the homeland safe, secure, and resilient.
Science and Technology Directorate (S&T) Is the primary research and development arm of the Department. It provides federal, state and local officials with the technology and capabilities to protect the homeland.
America's Preparedness Community (FEMA) From tips and tools to trainings and research, FEMA's resources are here to guide you through your preparedness journey.
Blue Campaign is a national public awareness campaign designed to educate the public, law enforcement, and other industry partners to recognize the indicators of human trafficking, and how to appropriately respond to possible cases.
Case Status Online (USCIS) Use this tool to track the status of an immigration application, petition, or request.
Center for Countering Human Trafficking (CCHT) the mission is to advance counter human trafficking law enforcement operations, protect victims, and enhance prevention efforts by aligning DHS’ capabilities and expertise.
Center for Domestic Preparedness (CDP) (FEMA) Is committed to having an emergency response community prepared for and capable of responding to all-hazards events. State, local and tribal, and territorial emergency responders' training is fully funded, including round-trip transportation, meals, and lodging
Individual and Community Preparedness Division (ICPD) From tips and tools to trainings and research, ICPD's resources are here to guide you through your preparedness journey.
Integrated Public Alert & Warning System (IPAWS) is FEMA's national system for local alerting that provides authenticated emergency and life-saving information to the public through mobile phones.
National Emergency Training Center Library (NETC) Primary information resource for fire, emergency management, and other all-hazards subjects.
Protective Actions Research FEMA’s protective actions are research-validated advice that anyone can take to prepare for, keep safe during, and recover from a disaster.
U.S. Fire Administration (USFA) the mission of the USFA is to support and strengthen fire and emergency medical services (EMS) and stakeholders to prepare for, prevent, mitigate and respond to all hazards.
DHS Social Media Directory The Department of Homeland Security and its component agencies use numerous social media accounts to provide you with information in more places and more ways.
Disaster Preparedness: Helping Individuals and Communities Prepare (1 hour)
Engaging with USCIS, Online Tools and Citizenship Resources Webinar (46 mins)
FEMA - YouTube
If You See Something, Say Something® - YouTube (5 mins)
IPAWS Overview - YouTube (7 mins)
Preparedness for People with Loss of Sight, Hearing or Combined Loss - YouTube (1h 17 mins)
U.S. Department of Homeland Security - YouTube
USFA Podcasts Join the U.S. Fire Administration (USFA) and our nation's fire and emergency medical services (EMS) experts as we learn to reduce fire and life safety risks to our communities and emergency responders. Also available on YouTube.
U.S. Fire Administration - YouTube