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counterintelligence (n.)

also counter-intelligence, "act of preventing an enemy from obtaining secret information," 1940, from counter- + intelligence.

Entries related to counterintelligence

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Definitions of counterintelligence from WordNet

counterintelligence (n.)
intelligence activities concerned with identifying and counteracting the threat to security posed by hostile intelligence organizations or by individuals engaged in espionage or sabotage or subversion or terrorism;
From wordnet.princeton.edu

Dictionary entries near counterintelligence

counterfactual

counterfeit

counterfeiter

counterfeiting

counterinsurgency

counterintelligence

counterintuitive

counter-jumper

countermand

countermarch

countermeasure

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