Counterintelligence (counter-intelligence) or counterespionage (counter-espionage) is any activity aimed at protecting an agency's intelligence program...

The AFP Counterintelligence Group (Armed Forces of the Philippines Counterintelligence Group or AFP-CIG) is the counterintelligence command of the AFP...

Counterintelligence organizations and agencies attempt to prevent foreign intelligence organizations from successfully gathering and collecting intelligence...

United States Army Counterintelligence (ACI) is the component of United States Army Military Intelligence which conducts counterintelligence (CI) activities...

Its primary focus was counterintelligence. The headquarters of the unit were located at Fort Meade, Maryland. The 902nd MI Group, originally known as the...

The National Counterintelligence and Security Center (NCSC) leads national counterintelligence (CI) for the United States federal government. It is part...

that provided an authoritative public description of the SMERSH counterintelligence group. In 1966 a film of the same name was released and became the highest-grossing...

The Defense Counterintelligence Command (DCC; Korean: 국군방첩사령부) is an intelligence organization of the Republic of Korea Armed Forces. It was founded as...

investigated and uncovered the actions of Aldrich Ames, a United States counterintelligence officer who was subsequently convicted of spying for the Soviet Union...

The Office of Intelligence and Counterintelligence (OICI; also abbreviated IN, DOE-IN, DOE/IN, I&CI, or OIC) is an office of the United States Department...

Crossfire Hurricane was the code name for the counterintelligence investigation undertaken by the Federal Bureau of Investigation (FBI) from July 31,...

of "Jin-Roh" ("Wolf Brigade" in English), a secret deep-cover counterintelligence group led by Tohbe and Hajime Handa that protects Kerberos from organizational...

spies steal technology and sabotage the enemy in various ways. Counterintelligence is the practice of thwarting enemy espionage and intelligence-gathering...

the United Kingdom's MI5, others have both intelligence and counterintelligence grouped under the same agency, like the Canadian Security Intelligence...

be a member of Operation 40, a CIA-sponsored counterintelligence group composed of Cuban exiles. The group was formed to seize control of the Cuban government...

The Counterintelligence Division (CD) is a division of the National Security Branch of the Federal Bureau of Investigation. The division protects the...

which provided the first authoritative public description of counterintelligence group GUKR (SMERSH). The film tells the story of two NKVD agents who...

Counterintelligence Field Activity (CIFA) was a United States Department of Defense (DoD) agency whose size and budget were classified. The CIFA was created...

Countries with major counterintelligence failures are presented alphabetically. In each case, there is at least one systemic problem with seeking penetration...

System Service, AFP (CEISSAFP) Intelligence Service, AFP (ISAFP) Counterintelligence Group (CIG) AFP Doctrine Development Center (AFPDDC) AFP Peacekeeping...

11, 1987) was an American CIA officer who served as chief of the counterintelligence department of the Central Intelligence Agency from 1954 to 1975....

its purpose. In the end, it was running one of the most successful counterintelligence operations of the post-Second World War period. On the night of 22–23...

was believed to be an important member of the CIA's top-secret counterintelligence group, code-named Operation 40, that sought to destabilize the Castro...

their missions. These missions included direct action against groups, counterintelligence, and reconnaissance. The Air Force special forces are referred...

particularly against the United States. The group's operations place an emphasis on counterintelligence targets in the United States and data theft of...

times and was reassigned to the Soviet Navy's SMERSH (military counterintelligence group). He was later an investigator with the People's Commissariat...

the MID included: an Administrative Group an Intelligence Group a Counterintelligence Group an Operations Group In May 1942, Colonel Alfred McCormack...

support. The CIA is authorized to collect intelligence, conduct counterintelligence, and conduct covert action by the National Security Act of 1947....

The Department of Counterintelligence Operations (DKRO; Russian: Департамент контрразведывательных операций; ДКРО) is a department of the Federal Security...

Abteilung III b was the domestic counterintelligence branch of the Imperial German Army from 1889 until the end of the First World War. Initially created...