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About IA at NSA

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NSA's Information Assurance Directorate (IAD) protects and defends National Security Information and Information Systems, in accordance with National Security Directive 42. National Security Systems are defined as systems that handle classified information or information otherwise critical to military or intelligence activities.

IAD is responsible for NSA's defensive mission and is widely acknowledged for leading innovative security solutions. Partnering extensively with government, industry, and academia, allows IAD to ensure appropriate security solutions are in place to protect and defend information systems, as well as our Nation’s critical infrastructure. IAD's work is guided by its vision to create "Confidence in Cyberspace."

What Do We Do?

  • IAD delivers mission enhancing cyber security technologies, products, and services that enable customers and clients to secure their networks; trusted engineering solutions that provide customers with flexible, timely and risk sensitive security solutions; as well as, traditional IA engineering and fielded solutions support.
  • Information Assurance Operations which include remote and deployed operational groups, with 24X7 integrated support as needed that protect critical national security networks.
  • Fusion, Analysis, and Mitigations teams that analyze and characterize large volumes of IA data, using an automated and persistent approach to identify vulnerabilities, and develop solutions to mitigate them.
  • Training and security awareness support.
  • The Key Management Infrastructure that provisions end cryptographic units.


Date Posted: Jan 15, 2009 | Last Modified: Nov 02, 2015 | Last Reviewed: Nov 02, 2015