The National Security Agency (NSA) is a national-level intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence (DNI). The NSA is responsible for global monitoring, collection, and processing of information and data for foreign and domestic intelligence and counterintelligence purposes, specializing in a discipline known as signals intelligence (SIGINT). The NSA is also tasked with the protection of U.S. communications networks and information systems. The NSA relies on a variety of measures to accomplish its mission, the majority of which are clandestine. The existence of the NSA was not revealed until 1975. The NSA has roughly 32,000 employees. More information...
According to PR-model, nsa.gov is ranked 7,043rd in multilingual Wikipedia, in particular this website is ranked 4,687th in English Wikipedia.
The website is placed before asahi.co.jp and after worldjournal.com in the BestRef global ranking of the most important sources of Wikipedia.