1. 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

Derived forms: counterintelligences

Type of: intelligence, intelligence activity, intelligence operation

Encyclopedia: Counterintelligence

• foraminifer
• Foraminifera
• foraminous
• forasmuch as
• foray
• foray into
• forayer
• forbear
• forbearance
• forbearing
• forbid
• forbiddance
• forbidden
• Forbidden City
• forbidden fruit
• forbidding
• forbiddingly
• force
• Force 17
• force back
• force field
• force majeure
• force per unit area
• force play
• force pump