Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun counterintelligence

1 sense of counterintelligence

Sense 1
counterintelligence -- (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)
       => intelligence, intelligence activity, intelligence operation -- (the operation of gathering information about an enemy)