National Security Agency

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National Security Agency

The Columbia Encyclopedia, Sixth Edition | 2008 | The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press. (Hide copyright information) Copyright

National Security Agency (NSA), an independent agency within the U.S. Dept. of Defense. Founded by presidential order in 1952, its primary function is to encode and decode communications intelligence and to protect U.S. signals and information systems. The mission of its Information Systems Security department (INFOSEC) is to protect classified and sensitive information stored on government computers or networks. The NSA includes the Central Security Service, established in 1972 to promote a full partnership between the NSA and the cryptological elements of the armed forces, and the National Cryptologic School. The agency, which is headquartered in Fort Meade, Md., is the largest employer of mathematicians in the country. Its director must be a military officer. For many years the NSA was the most hidden of U.S. intelligence agencies; its large budget was secret and its existence barely acknowledged.

Bibliography: See J. Bamford, The Puzzle Palace (1982) and Body of Secrets (2001).

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National Security Agency

A Dictionary of the Internet | 2001 | | © A Dictionary of the Internet 2001, originally published by Oxford University Press 2001. (Hide copyright information) Copyright

National Security Agency A US government agency charged with carrying out technical activities which support the US government's intelligence agencies. It is often abbreviated to NSA.
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