+SC-45(02) Secondary Authoritative Time Source
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SC-45(02) Secondary Authoritative Time Source
Control
- 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.
Assessment Objective
- a secondary authoritative time source is identified that is in a different geographic region than the primary authoritative time source;
- the internal system clocks are synchronized to the secondary authoritative time source if the primary authoritative time source is unavailable.
Assessment Method
Examine
System and communications protection policy
procedures addressing time synchronization
system design documentation
system configuration settings and associated documentation
system audit records
system security plan
other relevant documents or records
Interview
System/network administrators
organizational personnel with information security responsibilities
organizational personnel installing, configuring, and/or maintaining the system
1. Oversigt
1.1 Referencer
1.2 Identificerede krav
1.3 Relaterede reguleringer
2. Identificerede krav
3. Relaterede reguleringer
Reguleringer
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Regulering |
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