Counterintelligence

['kaʊntərɪn,telɪdʒəns] or [,kaʊntərɪn'tɛlədʒəns]

解释:

(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.

欧文整理--From WordNet