Established in 2002, the United States Department of Homeland Security (DHS) is a cabinet department of the United States federal government that was created in response to the attacks on September 11, 2001. At conception, it absorbed several agencies and their responsibilities, including Federal Protective ServiceU.S. Border Patrol, the U.S. Customs Service, and the Animal and Plant Health Inspection Service. Its stated missions involve anti-terrorism, border security, immigration and customs, cyber security, and disaster prevention and management.