• Requirement

    1. Compare the internal system clocks [Assignment: organization-defined frequency] with [Assignment: organization-defined authoritative time source]; and
    2. Synchronize the internal system clocks to the authoritative time source when the time difference is greater than [Assignment: organization-defined time period].
  • Discussion

    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.

More Info

  • Title

    System Time Synchronization | Synchronization with Authoritative Time Source
  • Family

    System and Communications Protection
  • NIST 800-53B Baseline(s)

    • Related NIST 800-53 ID

    NIST 800-53A Assessment Guidance

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