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  1. Counterintelligence - Wikipedia

    Counterintelligence, counterterror, and government Many governments organize counterintelligence agencies separately and distinct from their intelligence collection services. …

  2. Counterintelligence — FBI

    The FBI is the lead agency for exposing, preventing, and investigating intelligence activities, including espionage, in the U.S.

  3. Counterintelligence Awareness and Reporting Course for DOD

    This course is designed to explain the role each individual has in counterintelligence. CI Awareness and Reporting summarizes the potential threats and collection methods used by …

  4. What Is Counterintelligence and Why Does It Matter?

    Aug 9, 2025 · Counterintelligence is a specialized field dedicated to safeguarding national security from various threats. It involves activities designed to protect sensitive information, critical …

  5. What Is Counterintelligence? - American Public University

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

  6. COUNTERINTELLIGENCE

    Officers in the Counterintelligence Career Field perform a wide variety of tasks in support of DIA's mission. From technical operations to insider threat investigations, officers in the CI Career …

  7. Counterintelligence & Insider Threat

    Counterintelligence We provide authorized counterintelligence support to identify, assess, and disrupt foreign intelligence entity threats to the trusted workforce and the cleared national …

  8. COUNTERINTELLIGENCE IN THE 21ST CENTURY: THE NEED FOR ...

    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 …

  9. What is counterintelligence? | Definition from TechTarget

    Oct 31, 2025 · Cyber counterintelligence (CCI) is an emerging field that focuses on the active gathering of information about electronic threat actors, their methods and techniques, and …

  10. U.S. Army Counterintelligence Command

    Oct 15, 2025 · Army Counterintelligence Command (ACIC) is in a daily, multi-domain fight against foreign intelligence entities (FIE) worldwide. ACIC supports the Army in competition, crisis, and …