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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 – The White House

    Jan 7, 2026 · From President Trump in the NSS “After four years of weakness, extremism, and deadly failures, my administration has moved with urgency and historic speed to restore …

  4. 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.

  5. National Security Agency (NSA) | USAGov

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

  6. 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 …

  7. 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.

  8. NSA taps new second-in-command Tim Kosiba after months of

    4 days ago · NSA taps new second-in-command Tim Kosiba after months of uncertainty The Pentagon spy agency has backed away from its original appointment of Joe Francescon as …

  9. 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.

  10. U.S. Intelligence Community careers - NSA

    The National Security Agency (NSA) leads the U.S. government in cryptology that encompasses both signals intelligence (SIGINT) insights and cybersecurity products and services and …