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Title: Diacap  
Author: World Heritage Encyclopedia
Language: English
Subject: Accreditation
Publisher: World Heritage Encyclopedia


The DoD Information Assurance Certification and Accreditation Process (DIACAP) is the United States Department of Defense (DoD) process to ensure that risk management is applied on information systems (IS). DIACAP defines a DoD-wide formal and standard set of activities, general tasks and a management structure process for the certification and accreditation (C&A) of a DoD IS that will maintain the information assurance (IA) posture throughout the system's life cycle.


DIACAP is the result of a NSA directed shift in underlying security paradigm and succeeds its predecessor: DITSCAP.

An interim version of the DIACAP was signed July 6, 2006, and superseded DITSCAP. The final version is titled Department of Defense Instruction 8510.01 and was signed on November 28, 2007. It supersedes the Interim DIACAP Guidance.

One major change in DIACAP from DITSCAP is the embracing of the idea of information assurance controls (defined in DoDD 8500.1 and DoDI 8500.2) as the primary set of security requirements for all automated information systems (AISs). The IA Controls are determined based on the system's mission assurance category (MAC) and confidentiality level (CL).


  • System Identification Profile
  • DIACAP Implementation Plan
    • Validation
  • Certification Determination
  • DIACAP Scorecard
  • POA&M
  • Approval to Operate Decision
  • Residual Risk Acceptance


  • DIACAP Guidance at the DoD Information Assurance Support Environment
  • DIACAP Knowledge Service (requires DoD PKI certificate)
  • Full list of DIACAP Phases with instructions at GovITwiki.
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