'counterintelligence' definitions:
Definition of 'counterintelligence'
From: WordNet
noun
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
Synonyms of 'counterintelligence'
From: Moby Thesaurus
- bugging,
- cloak-and-dagger work,
- counterespionage,
- electronic surveillance,
- espial,
- espionage,
- following,
- intelligence,
- intelligence bureau,
- intelligence service,
- intelligence work,
- military intelligence,
- naval intelligence,
- observation,
- secret police,
- secret service,
- shadowing,
- spying,
- stakeout,
- surveillance,
- tailing,
- trailing,
- wiretap,
- wiretapping