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Counterintelligence: Home

Counterintelligence can be described as activities designed to prevent or thwart spying, intelligence gathering, and sabotage by an enemy or other foreign entity. This guide provides books, articles, reports, websites, and videos on the subject.

What is Counterintelligence?

Counterintelligence is Information gathered and activities conducted to protect against espionage, other intelligence activities, sabotage, or assassinations conducted by or on behalf of foreign governments or elements thereof, foreign organizations, or foreign persons, or international terrorist activities. (Dictionary of Military & Associated Terms)

Counterintelligence has both a defensive mission - protecting the nation's secrets and assets against foreign intelligence penetration - and an offensive mission - finding out what foreign intelligence organizations are planning to better defeat their aims. (From


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Special Agent Victor Melendez


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Andrea Groce

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Video-- Counter-Intelligence Special Operations (1969)

Film explaining surveillance techniques, Checkpoint Charlie, and cooperation with proper civil authorities. National Archives. 1969.

Video-- Deception Was My Job

Interview with ex-KGB officer and Soviet defector Yuri Bezmenov who decided to openly reveal KGB's subversive tactics against western society as a whole.

Video-- Foreign Influence Operations and Counterintelligence

Foreign Policy Association panel discussion on various CI issues. May 2017.

Video-- James Olson CIA Spy Chief of Counterintelligence-Intelligence

James Olson, former CIA Chief of Counterintelligence, sits down with International Affairs to have a casual discussion on intelligence and current affairs. 24 Mar 2023.

Video-- Lecture on Counterintelligence with William Nolte

Remarks on Counterintelligence from William M. Nolte, former Director of Education and Training at the Office of the Director of National Intelligence. The Institute of World Politics, 7 Feb 2014.

Video-- Private Snafu: Spies

Animated film held by the National Archives and Records Administration. 2011.

Video-- Spies Next Door!

Talk by Dr. David Robarge, chief historian of the Central Intelligence Agency. 2014.

Video-- To Catch a Spy: The Art & Future of Counterintelligence

James M. Olson, former chief of CIA counterintelligence, offers a wake-up call for the American public and also a guide for how our country can do a better job of protecting its national security and trade secrets. June 2020.

Video-- Traitors Within: Spies Who Sold Out America

Video on spies in America throughout the years. May 2018.





Video, Cold War Spy Documentary. Timeline World History.


Audio, speech given at the International Spy Museum, 2009.