Department of Homeland Security

The Department of Homeland Security (DHS) is a cabinet-level executive agency responsible for protecting the United States against terrorism, securing borders, enforcing immigration laws, managing cybersecurity threats, and responding to natural and man-made disasters. Established in 2003 following the September 11 attacks, DHS consolidates the work of multiple federal agencies—including the Coast Guard, Secret Service, and Federal Emergency Management Agency (FEMA)—under one unified mission. With more than 240,000 employees, DHS is the third-largest Cabinet department, working within U.S. borders to detect, prevent, and respond to threats while the Department of Defense handles military operations abroad.

Border Security and Immigration Enforcement

DHS manages all aspects of border control and immigration processing. U.S. Customs and Border Protection screens cargo, detains individuals attempting illegal entry, and prevents smuggling and human trafficking. U.S. Citizenship and Immigration Services (USCIS) oversees immigration and naturalization processes, handling everything from routine applications to specialized visas for diplomatic officials, exchange visitors, and religious workers. Recent policy changes include requirements for visitors to submit five years of social media history.

Travel Security and Documentation

DHS manages transportation security through TSA and handles vital travel documents. Key changes include updated REAL ID enforcement and new TSA fees for domestic flights.

Disaster Response and Recovery Through FEMA

FEMA, a critical DHS agency, provides comprehensive disaster assistance. After a disaster declaration, individuals can apply for assistance covering housing, vehicle damage, and personal property replacement. The Individuals and Households Program (IHP) provides grants to survivors. Understand application deadlines and check your application status online after submitting.