It includes gathering information and conducting activities to prevent espionage, sabotage, assassinations or other intelligence activities conducted by, for, or on behalf of foreign powers, …

In collaboration with the National Counterintelligence and Security Center, the FBI released a short film to educate anyone with a trade secret about how they can protect it.

Aug 9, 2025 · Counterintelligence involves information gathering and activities conducted to protect against espionage, sabotage, and other intelligence operations carried out by foreign powers, …

Jul 29, 2025 · What is counterintelligence? Learn how it combats espionage, protects national interests, and is integrated into intelligence and security degree programs.

We support our mission through our counterintelligence and insider threat programs. These programs help us detect, deter, and disrupt threats to our nation’s assets.

counterintelligence, in government operations, the information and activity related to protecting a nation’s own information and the secrecy of its intelligence operations.

Mar 23, 2018 · During those years, Angleton accrued a substantial amount of resources and influence for counterintelligence inside CIA, built good working-level relations with the FBI, and cultivated …

Mar 17, 2021 · Counterintelligence (CI) is a dynamic and ever-changing field, art, and science. In recent times, significant societal and technological changes have forced the CI field and its component …

The meaning of COUNTERINTELLIGENCE is organized activity of an intelligence service designed to block an enemy's sources of information, to deceive the enemy, to prevent sabotage, and to gather …

The Counterintelligence Division (CD) is a division of the National Security Branch of the Federal Bureau of Investigation. The division protects the United States against foreign intelligence operations and …