Defense Information Systems Agency (DISA)

Definition - What does Defense Information Systems Agency (DISA) mean?

The Defense Information Systems Agency (DISA) is a combat support agency that provides IT and communication support to all institutes and individuals working for the U.S. Department of Defense. DISA oversees the IT/technological aspect of organizing, delivering and managing defense-related information.

DISA was formerly known as the Defense Communications Agency (DCA).

Techopedia explains Defense Information Systems Agency (DISA)

DISA primarily serves as the IT and communications backbone for the defense institutes and its stakeholders. DISA provides and ensures command and control information sharing and globally accessible IT infrastructure for combat forces, political/defense leaders and other related/partner individuals and organizations. Some of DISA's core services include:

  • Command and Control (C2): Provides military commanders, war personnel and equipment with the necessary information for mission-critical decision making.
  • Computing: Provides and manages computing infrastructure such as servers, networks, cloud computing, software and more.
  • Identity and Access Management (IAM): Ensures that only authorized individuals and organizations have access to sensitive information and resources.
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