Noun: counterintelligence ,kawn-tu-rin'te-li-jun(t)s
- 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
"The agency's counterintelligence efforts uncovered a foreign spy network"
Derived forms: counterintelligences
Type of: intelligence, intelligence activity, intelligence operation
Encyclopedia: Counterintelligence