counterintelligence
noun
coun·ter·in·tel·li·gence
ˌkau̇n-tər-in-ˈte-lə-jən(t)s 
: organized activity of an intelligence service designed to block an enemy's sources of information, to deceive the enemy, to prevent sabotage, and to gather political and military information
Examples of counterintelligence in a Sentence
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Running the new crackdowns in Russia are the FSB’s counterterrorism unit, its counterintelligence service, and its investigative department.
—
Andrei Soldatov, Foreign Affairs, 27 July 2022
But there is another problem, as well: U.S. and European counterintelligence agencies lack the ability to implement full-scale measures to stop Russian sabotage operations, because to be truly effective, these must include drastic steps that are in practice only feasible under totalitarian regimes.
—Andrei Soldatov, Foreign Affairs, 9 Aug. 2024
Russia could be using the same tactics now, former FBI counterintelligence officer Kevin Riehle told Business Insider.
—Harriet Marsden, The Week Uk, theweek, 7 Aug. 2024
Less than four months after appointing him, Barr replaced Shea with Sherwin, a former Navy intelligence officer who spent a decade prosecuting counterintelligence and terrorism cases before becoming an adviser to Barr.
—Aaron C. Davis and Carol D. Leonnig The Washington Post, arkansasonline.com, 3 Aug. 2024
See all Example Sentences for counterintelligence 
Andrei Soldatov, Foreign Affairs, 27 July 2022
But there is another problem, as well: U.S. and European counterintelligence agencies lack the ability to implement full-scale measures to stop Russian sabotage operations, because to be truly effective, these must include drastic steps that are in practice only feasible under totalitarian regimes.
—Andrei Soldatov, Foreign Affairs, 9 Aug. 2024
Russia could be using the same tactics now, former FBI counterintelligence officer Kevin Riehle told Business Insider.
—Harriet Marsden, The Week Uk, theweek, 7 Aug. 2024
Less than four months after appointing him, Barr replaced Shea with Sherwin, a former Navy intelligence officer who spent a decade prosecuting counterintelligence and terrorism cases before becoming an adviser to Barr.
—Aaron C. Davis and Carol D. Leonnig The Washington Post, arkansasonline.com, 3 Aug. 2024
See all Example Sentences for counterintelligence
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“Counterintelligence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/counterintelligence. Accessed 7 Oct. 2024.
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counterintelligence
noun
coun·ter·in·tel·li·gence
ˌkau̇nt-ə-rin-ˈtel-ə-jən(t)s
: activities of an intelligence service meant to hide the truth from an enemy or to prevent the enemy from learning secret information
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