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NIST 800-53 rev.5

NIST 800-53 rev.5/System and Communications Protection/876 of 1011

SC-45 (02)System Time Synchronization | Secondary Authoritative Time Source

Control family: System and Communications Protection

Control description

(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.

How to implement

Coming in phase 2Step-by-step guidance for implementing this control on Microsoft Azure, using services such as Azure Policy, Microsoft Defender for Cloud and Entra ID. It will be matched to your environment.