The Department of Homeland Security (DHS) operates through several key operational and support agencies, each tasked with distinct responsibilities ranging from border security and disaster response to cybersecurity and counterterrorism. [1]
The primary DHS agencies include:
- Cybersecurity and Infrastructure Security Agency (CISA): The nation’s lead civilian cyber defense agency, responsible for securing critical infrastructure and federal networks. [1]
- U.S. Customs and Border Protection (CBP): Secures the nation’s borders to protect against terrorists and illegal contraband while facilitating lawful trade and travel. [1]
- Federal Emergency Management Agency (FEMA): Coordinates the federal government’s response to natural disasters and other catastrophic emergencies, supporting state and local first responders. [1]
- U.S. Immigration and Customs Enforcement (ICE): Enforces federal laws governing border control, customs, trade, and immigration through criminal and civil investigations. [1]
- U.S. Secret Service (USSS): Protects U.S. political leaders, visiting dignitaries, and national events, while also safeguarding the nation’s financial and payment infrastructure. [1]
- Transportation Security Administration (TSA): Protects the nation’s transportation systems—primarily aviation—to ensure safe and secure movement for people and commerce. [1]
- U.S. Citizenship and Immigration Services (USCIS): Oversees lawful immigration, including processing visa petitions, naturalization applications, and asylum requests. [1]
- U.S. Coast Guard (USCG): The only military branch within DHS, responsible for maritime safety, security, and environmental stewardship. [1]
- Federal Law Enforcement Training Centers (FLETC): Provides essential, career-long training to federal, state, and local law enforcement professionals. [1]
- Countering Weapons of Mass Destruction Office (CWMD): Works to prevent hostile use of chemical, biological, radiological, and nuclear weapons against the United States. [1]
For more information, visit the official Department of Homeland Security website. [1]
