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NIST 800-53v5 - SC-45.1 - Synchronization with Authoritative Time Source

  • Compare the internal system clocks [ Assignment: frequency ] with {{ insert: param, sc-45.01_odp.02 }} ; and
  • Synchronize the internal system clocks to the authoritative time source when the time difference is greater than [ Assignment: time period ].

Guidance

Synchronization of internal system clocks with an authoritative source provides uniformity of time stamps for systems with multiple system clocks and systems connected over a network.