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Official (ISC)2® Guide to the CAP® CBK®, 2nd Edition by Patrick D. Howard

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Appendix B: Glossary

Acceptable risk

A concern that is acceptable to responsible management due to the cost and magnitude of implementing countermeasures. [NIST SP 800-18]

Accountability

The security goal that generates the requirement for actions of an entity to be traced uniquely to that entity. This supports nonrepudiation, deterrence, fault isolation, intrusion detection and prevention, and after-action recovery and legal action. [NIST SP 800-30]

Accreditation

The official management decision given by a senior organization official to authorize operation of an information system and to explicitly accept the risk to organization operations (including mission, functions, image, or reputation), assets, or individuals based on the implementation ...

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