The cryptographic key management system (CKMS) entity that provides overall CKMS data synchronization and system security oversight for an organization or set of organizations.
Sources:
NIST SP 800-57 Part 2 Rev.1
under Central Oversight Authority
A time-phased or situation-dependent combination of risk response measures.
Sources:
NIST SP 800-30 Rev. 1
under Course of Action
from
NIST SP 800-39