Office of Intelligence and Analysis
U.S. Coast Guard
Federal Law Enforcement Training Center
U.S. Customs and Border Protection
U.S. Immigration and Customs Enforcement
Transportation Security Administration
The threat level in the airline sector is High or Orange. Read more.
The Department of Homeland Security prevents and investigates illegal movements across our borders, including the smuggling of people, drugs, cash, and weapons. The Department is working to strengthen security on the southwest border to disrupt the drug, cash and weapon smuggling that fuels cartel violence in Mexico by adding manpower and technology to the southwest border. We support smart security on the northern border and to facilitate international travel and trade.
Learn more about recent border security efforts
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