NIST800-SC-45(2) SC-45(2) System Time Synchronization | Secondary Authoritative Time Source
NIST800-SC-45(2) in NIST SP 800-53 Rev 5 (NIST SP 800-53 Rev 5, Release 5.2.0). All NIST SP 800-53 Rev 5 controls held. Open NIST SP 800-53 Rev 5 on the standards site.
The control as we hold it
SC-45(2) System Time Synchronization | Secondary Authoritative Time Source. (a) Identify a secondary authoritative time source that is in a different geographic region than the primary authoritative time source; and (b) Synchronize the internal system clocks to the secondary authoritative time source if the primary authoritative time source is unavailable.
Reviewed and closest counterparts in the other frameworks
We hold no cross-framework row for NIST800-SC-45(2) yet. The reviewed pairs page lists the released pairs and their coverage.
What an auditor commonly asks for
General guidance for this control area (domain: SC - System and Communications Protection), in our words, not a statement of the standard and not binding on an assessor.
- the system and communications protection policy
- the boundary, encryption and key records
- the monitoring records