The Key Management Infrastructure (KMI) entity that provides overall KMI data synchronization and system security oversight for an organization or set of organizations.
Source(s):
NIST SP 800-57 Part 2
under Central oversight authority
[Superseded]
The cryptographic key management system (CKMS) entity that provides overall CKMS data synchronization and system security oversight for an organization or set of organizations.
Source(s):
NIST SP 800-57 Part 2 Rev.1