The DoD Information Assurance Certification and Accreditation Process (DIACAP) is a deprecated United States Department of Defense (DoD) process meant to ensure companies and organizations applied risk management to information systems (IS). DIACAP defined 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 which maintained the information assurance (IA) posture throughout the system's life cycle.