The United States Department of Homeland Security (DHS) is a cabinet department of the United States federal government with responsibilities in public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve antiterrorism, border security, immigration and customs, cybersecurity, and disaster prevention and management. It was created in response to the September 11 attacks. In fiscal year 2011 it was allocated a budget of $98.8 billion and spent, net, $66.4 billion.