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  1. National Security Agency | Central Security Service

    NSA provides foreign signals intelligence (SIGINT) to our nation's policymakers and military forces. SIGINT plays a vital role in our national security by providing America's leaders with …

  2. National Security Agency - Wikipedia

    The NSA is responsible for global monitoring, collection, and processing of information and data for global intelligence and counterintelligence purposes, specializing in a discipline known as …

  3. National Security Agency (NSA) | History, Role, & Surveillance …

    Dec 22, 2025 · National Security Agency (NSA), U.S. intelligence agency within the Department of Defense that is responsible for cryptographic and communications intelligence and security.

  4. National Security Agency (NSA) | USAGov

    The National Security Agency (NSA) protects national security systems and information.

  5. What is the NSA and how does it work? - TechTarget

    Feb 28, 2025 · Learn how the National Security Agency (NSA) works to protect American interests, as well as its responsibilities, programs, history, controversies and more.

  6. Hegseth, Gabbard tap Tim Kosiba as NSA deputy director after …

    5 days ago · The NSA announced Tim Kosiba as its deputy director, nine months after the Trump administration fired his predecessor.

  7. National Security Agency - Intelligence.gov

    The Central Security Service (CSS), part of NSA, provides timely and accurate cryptologic support, knowledge, and assistance to the military cryptologic community. CSS coordinates …

  8. Tim Kosiba Named NSA Deputy Director - SecurityWeek

    4 days ago · The National Security Agency (NSA) announced the appointment of Timothy Kosiba as its 21st Deputy Director.

  9. NSA alum returns to agency to serve as deputy director

    4 days ago · Tim Kosiba became the number two leader in the National Security Agency after a prior deputy pick was jettisoned following criticism from far-right activist Laura Loomer.

  10. NSA fills monthslong 'leadership vacuum' after MAGA influencer ...

    The National Security Agency (NSA) has ended "months of ongoing leadership vacuums" with the appointment of a new deputy director after Laura Loomer, a far-right activist seen by many as …