Kontra-intelijen

Kontraintelijen/Counterintelligence (Kontraintel/Counterintel) adalah operasi penggalian informasi secara khusus bersifat strategis dan taktis yang dilakukan untuk menggagalkan rencana musuh.^[1]

Bacaan tambahan

Johnson, William R. Thwarting Enemies at Home and Abroad: How to Be a Counterintelligence Officer (2009)
Bibi van Ginkel,Towards the intelligent use of intelligence: Quis Custodiet ipsos Custodes? (International Centre for Counter-Terrorism - The Hague, 2014) Diarsipkan 2014-10-21 di Wayback Machine.
Lee, Newton (2015). Counterterrorism and Cybersecurity: Total Information Awareness (Second Edition). Springer International Publishing Switzerland.

Referensi

^ Executive Order 12333. (1981, December 4). United States Intelligence Activities, Section 3.4(a). EO provisions found in 46 FR 59941, 3 CFR, 1981 Comp., p.1