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English definition of “counterintelligence”


noun [U] uk   /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 secretsSpying and espionage
(Definition of counterintelligence from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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