
1) Censoring 2) Censorship 3) Ci 4) Counterespionage 5) Countersubversion
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https://www.crosswordclues.com/clue/counterintelligence

Counterintelligence (CI) refers to information gathered and activities conducted to protect against espionage, other intelligence activities, sabotage, or assassinations conducted for or on behalf of foreign powers, organizations or persons or international terrorist activities, but not including personnel, physical, document or communications sec...
Found on
http://en.wikipedia.org/wiki/Counterintelligence

in government operations, the information and activity related to protecting a nation`s own information and the secrecy of its intelligence ...
Found on
http://www.britannica.com/eb/a-z/c/150

Efforts taken by intelligence organizations and personnel to prevent hostile entities from obtaining intelligence that can be used for disruptive or destructive purposes. There are two types of counterintelligence: Offensive and Defensive. Offensive counterintelligence involves actively undermining the resources of the hostile entity. Defensive cou...
Found on
http://www.translationdirectory.com/glossaries/glossary350.php

[
n] - 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
Found on
http://www.webdictionary.co.uk/definition.php?query=counterintelligence

counterintelligence 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.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2526/
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
Found on
https://www.encyclo.co.uk/local/20974

the activity of an intelligence service employed in thwarting the efforts of an enemy's intelligence agents to gather information or commit sabotage. · an organization engaged in counterintelligence.
Found on
https://www.infoplease.com/dictionary/counterintelligence
No exact match found.