This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The branch of an intelligence service charged with keeping sensitive information from an enemy, deceiving that enemy, preventing subversion and sabotage, and collecting political and military information.

n. counterespionage

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

"He claimed that he himself was a member of the CIA (a charge he later recanted) and said he had been recruited “between 1970 and 1971” and trained in counterintelligence in Panama and Venezuela."

intelligence activity    intelligence operation    intelligence   

security intelligence    counterespionage    censoring    censorship    counter-subversion   

counterterrorism    law-enforcement    counterdrug    medico-legal    counterespionage