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  2. National Security Agency - Wikipedia

    en.wikipedia.org/wiki/National_Security_Agency

    US v. Moalin. The National Security Agency (NSA) is an intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence (DNI). The NSA is responsible for global monitoring, collection, and processing of information and data for foreign intelligence and counterintelligence purposes ...

  3. List of intelligence agencies - Wikipedia

    en.wikipedia.org/wiki/List_of_intelligence_agencies

    Directorate General of Forces Intelligence (DGFI) Counter Terrorism and Intelligence Bureau (CTIB) National Telecommunication Monitoring Centre (NTMC) Ministry of Finance. Central Intelligence Unit (CIU) Bangladesh Financial Intelligence Unit (BFIU) Ministry of Posts, Telecommunications and Information Technology.

  4. United States Intelligence Community - Wikipedia

    en.wikipedia.org/wiki/United_States_Intelligence...

    intelligence.gov. The United States Intelligence Community (IC) is a group of separate U.S. federal government intelligence agencies and subordinate organizations that work both separately and collectively to conduct intelligence activities which support the foreign policy and national security interests of the United States.

  5. National security of the United States - Wikipedia

    en.wikipedia.org/wiki/National_Security_of_the...

    The phrase “national security” entered U.S. political discourse as early as the Constitutional Convention. The Federalists argued that civilian control of the military required a strong central government under a single constitution. Alexander Hamilton wrote: “If a well-regulated militia be the most natural defense of a free country, it ...

  6. Security agency - Wikipedia

    en.wikipedia.org/wiki/Security_agency

    A security agency is a governmental organization that conducts intelligence activities for the internal security of a nation. [1] They are the domestic cousins of foreign intelligence agencies, and typically conduct counterintelligence to thwart other countries' foreign intelligence efforts. [2][3]

  7. United States Department of Homeland Security - Wikipedia

    en.wikipedia.org/wiki/United_States_Department...

    The United States Department of Homeland Security (DHS) is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terrorism, border security, immigration and customs, cyber security, and disaster prevention and management.

  8. British intelligence agencies - Wikipedia

    en.wikipedia.org/wiki/British_intelligence_agencies

    The four main agencies are the Secret Intelligence Service (SIS or MI6), the Security Service (MI5), the Government Communications Headquarters (GCHQ) and Defence Intelligence (DI). The agencies are organised under three government departments, the Foreign Office, the Home Office and the Ministry of Defence.

  9. Category:National Security Agency - Wikipedia

    en.wikipedia.org/wiki/Category:National_Security...

    National Cryptologic School. National Information Assurance Partnership. National Operational Intelligence Watch Officer's Network. National Security Agency academic publications. National Security Operations Center. National Vigilance Park. Apache NiFi. NIST SP 800-90A. NIST SP 800-90B.