Seal of the National Security Agency
National Security Agency ( NSA) is part of the US government. The agency was started in 1952, and its main office is in Maryland.
goal is to protect the US people by
"About NSA: Mission". National Security Agency . Retrieved . September 14, 2014
↑ Nakashima, Ellen. January 26, 2008. Bush order expands network monitoring.
The . Retrieved February 9, 2008. Washington Post 
Executive Order 13470 — , July 30, 2008 (PDF) 2008 Amendments to Executive Order 12333, United States Intelligence Activities
↑ Malkin, Bonnie.
NSA surveillance: US bugged EU offices. The Daily Telegraph, June 30, 2013
↑ Ngak, Chenda.
NSA leaker Snowden claimed U.S. and Israel co-wrote Stuxnet virus Archived 2013-09-27 at the Wayback Machine, CBS, July 9, 2013
↑ Bamford, James.
, Wired Magazine, June 12, 2013. The Secret War
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The Shadow Factory, Anchor Books, 2009, ISBN 978-0-307-27939-2. Church Committee,
Intelligence Activities and the Rights of Americans: 1976 US Senate Report on Illegal Wiretaps and Domestic Spying by the FBI, CIA and NSA, Red and Black Publishers (May 1, 2008).
Hanyok, Robert J. (2002). . National Security Agency Spartans in Darkness: American SIGINT and the Indochina War, 1945–1975 . Retrieved . November 16, 2008 Aid, Matthew, The Secret Sentry: The Untold History of the National Security Agency, 432 pages,
ISBN 978-1-59691-515-2, Bloomsbury Press (June 9, 2009). Shaker, Richard J. "
The Agency That Came in from the Cold." ( Archive, Archive #2) . Notices American Mathematical Society. May/June 1992 pp. 408–411.
Jackson, David (June 18, 2013). "Obama: NSA surveillance programs are 'transparent'. " USA Today . Retrieved . June 18, 2013 "
National Security Agency Releases History of Cold War Intelligence Activities." George Washington University. National Security Archive Electronic Briefing Book No. 260. Posted November 14, 2008. "The NSA Files". . London. June 8, 2013. The Guardian