NIST800-SC-45(1) SC-45(1) System Time Synchronization | Synchronization with Authoritative Time Source
NIST800-SC-45(1) 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(1) System Time Synchronization | Synchronization with Authoritative Time Source. (a) Compare the internal system clocks [Assignment: organization-defined frequency] with [Assignment: organization-defined authoritative time source]; and (b) Synchronize the internal system clocks to the authoritative time source when the time difference is greater than [Assignment: organization-defined time period].
Reviewed and closest counterparts in the other frameworks
We hold no cross-framework row for NIST800-SC-45(1) 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