(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.
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| Control Identifier | SC-45(2) |
| Latest Sync Date | 19/12/24 09:18:14 |
| Discussion | It may be necessary to employ geolocation information to determine that the secondary authoritative time source is in a different geographic region. |
| Related Controls | None. |