Overview#
National Security Agency (
NSA) is an
Intelligence Agency of the
United States federal government, responsible for global
monitoring, collection, and processing of information and
data for foreign intelligence and counterintelligence purposes, a discipline known as
Signals Intelligence (
SIGINT).
National Security Agency is concurrently charged with protection of United States federal government communications and information systems against penetration and network warfare.
NSA Timeline 1791–2015
Category#
Government Surveillance
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