 United States Foreign Intelligence Surveillance Court

The United States Foreign Intelligence Surveillance Court (FISC, also called the FISA Court) is a U.S. federal court established and authorized under the Foreign Intelligence Surveillance Act of 1978 (FISA) to oversee requests for surveillance warrants against foreign spies inside the United States by federal law enforcement and intelligence agencies.Such requests are made most often by the National Security Agency (NSA) and the Federal Bureau of Investigation (FBI).