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SC-45(2)
Secondary Authoritative Time Source
System and Communications Protection (SC)
Baselines
Low · Not includedModerate · Not includedHigh · Not included
Description
Identify a secondary authoritative time source that is in a different geographic region than the primary authoritative time source; and Synchronize the internal system clocks to the secondary authoritative time source if the primary authoritative time source is unavailable.
Discussion
It may be necessary to employ geolocation information to determine that the secondary authoritative time source is in a different geographic region.
Implementation guidance
No content available.
CSF 2.0 crosswalk
No CSF mappings exist for this control.