GLOSSARY

Accreditation: Formal declaration by an authorizing official or designated approving authority (DAA) that an information system (IS) is approved to operate at an acceptable level of risk, based on the implementation of an approved set of technical, managerial, and procedural safeguards. (CNSSI 4009)

Acquisition category: A designation for a program of development or acquisition based on cost, determining both the level of review required by law and the level at which the milestone (e.g. progress to the next development or acquisition level) decision authority rests in DOD.

Authorizing official: A senior official or executive with the authority to formally assume responsibility for operating an information system at an acceptable level ...

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