National Security

National Security-National Security Agency
National Security-National Security Agency
National security
National security or national defense is the security and defense of a nation state, including its citizens, economy, and institutions, which is regarded as a duty of government. Originally conceived as protection against military attack, national security is now widely understood to include also non-military dimensions, including the security from terrorism, minimization of crime, economic security, energy security, environmental security, food security, cyber-security etc. Similarly, national security risks include, in addition to the actions of other nation states, action by violent non-state actors, by narcotic cartels, and by multinational corporations, and also the effects of natural disasters

National Security Agency/Central Security Service


The National Security Agency/Central Security Service (NSA/CSS) leads the U.S. Government in cryptology that encompasses both signals intelligence (SIGINT) insights and cybersecurity products and services, and enables computer network operations to gain a decisive advantage for the nation and our allies. Throughout the site, NSA/CSS will be referred to collectively as NSA.

Combat Support

NSA is part of the U.S. Department of Defense serving as a combat support agency. Supporting our military service members around the world is one of the most important things that we do. NSA analysts, linguists, engineers and other personnel deploy to Afghanistan and other hostile areas to provide actionable SIGINT and cybersecurity support to warfighters on the front lines.

We provide intelligence support to military operations through our signals intelligence activities, while our cybersecurity personnel, products and services ensure that military communications and data remain secure, and out of the hands of our adversaries.

We provide wireless and wired secure communications to our warfighters and others in uniform no matter where they are, whether traveling through Afghanistan in a Humvee, diving beneath the sea, or flying into outer space. Our cybersecurity mission also produces and packages the codes that secure our nation’s weapons systems.

Additionally, we set common protocols and standards so that our military can securely share information with our allies, NATO and coalition forces around the world. Interoperability is a key to successful joint operations and exercises.


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