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Abbreviation(s) and Synonym(s):

Change of Authorization
Course of Action


  The cryptographic key management system (CKMS) entity that provides overall CKMS data synchronization and system security oversight for an organization or set of organizations.
NIST SP 800-57 Part 2 Rev.1 under Central Oversight Authority

  A time-phased or situation-dependent combination of risk response measures.
NIST SP 800-30 Rev. 1 under Course of Action from NIST SP 800-39