The National Counterintelligence and Security Center provides effective leadership and support to the counterintelligence and security activities of the US Intelligence Community, the US Government, and US private sector entities who are at risk of intelligence collection or attack by foreign adversaries.
Welcome to CI References, the place where you will find interesting facts relating to counterintelligence.
Terms & Definitions of interest for Counterintelligence Professionals
Glossary for CI Professionals (1.8 MB)
CI Reader: An American Revolution Into the New Millennium, Volumes I, II, and III
CI Reader Volume I (2.4 MB)
CI Reader Volume II (2.7 MB)
CI Reader Volume III (3.4 MB)