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 critical …

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 …

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

4 days ago · Trump makes pick to lead NSA spy agency after months of leadership limbo The prospective confirmation of Lt. Gen. Joshua M. Rudd would end eight months of uncertainty at the …

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

Dec 13, 2025 · National Security Agency (NSA), U.S. intelligence agency within the Department of Defense that is responsible for cryptographic and communications intelligence and security.

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.