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English definition of “counterintelligence”


noun [U]     /ˌkaʊn.tər.ɪnˈtel.ɪ.dʒəns/ US  /-t̬ɚ.ɪn-/
secret action taken by a country to prevent another country from discovering its military , industrial , or political secrets Spying and espionage
(Definition of counterintelligence noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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