National Security Agency

Table of Contents

Introduction References & Edit History Quick Facts & Related Topics

Images

National Security Agency

National Security Agency

Read Next

Text Top Secret typed on retro typewriter

How Secret Is Top Secret?

Close up of a hand placing a ballot in a ballot box. Election vote voter voting

Have Any U.S. Presidents Decided Not to Run For a Second Term?

Washington, D.C. locator map.

What State Is Washington, D.C. In?

The United States Supreme Court building, Washington, D.C.

14 Questions About Government in the United States Answered

Bar graph of the United States Death Toll during major events. Infogram chart.

U.S. Death Toll During Major Events

Discover

Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

6 Lakes That Are Drying Up

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

11 Egyptian Gods and Goddesses

Close up of praying mantis walking on stone ground against a blurred background in Japan

6 Animals That Eat Their Mates

Middle East bee locator map

Are the Middle East and the Near East the Same Thing?

Salem Witch Trials. Photogravure after the painting by Walter McEwen titled - The Witches - circa 1890s.

How Rye Bread May Have Caused the Salem Witch Trials

Paul Revere. "The bloody massacre perpetrated in King Street Boston on March 5th 1770 by a party of the 29th Regt.," engraved by Paul Revere. Boston Massacre.

There’s a Riot Goin’ On: Riots in U.S. History (Part One)

National Security Agency: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Last Updated: Jun 09, 2025

News •

NSA considers — then disavows — leadership reshuffle • June 6, 2025, 6:14 AM ET (Politico)

Russian hackers target Western firms shipping aid to Ukraine, US intelligence says • May 22, 2025, 4:47 PM ET (AP)

Facts

Also Known As	NSA
Areas Of Involvement	intelligence • national security • communications intelligence • PRISM • cryptography
Related People	Agnes Meyer Driscoll • Edward Snowden • Condoleezza Rice • Ivan Sutherland

Photos

National Security Agency

National Security Agency

See All Images →

Topics

Central Intelligence Agency National Aeronautics and Space Administration KGB Federal Bureau of Investigation MI6 Mossad U.S. Secret Service U.S. Department of Defense Environmental Protection Agency Indian Space Research Organisation

Demystified

Text Top Secret typed on retro typewriter

How Secret Is Top Secret?