Assessment Objective
Determine if:
- SC-45(02)(a) a secondary authoritative time source is identified that is in a different geographic region than the primary authoritative time source;
- SC-45(02)(b) the internal system clocks are synchronized to the secondary authoritative time source if the primary authoritative time source is unavailable.
Assessment Methods
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
Test
- Mechanisms supporting and/or implementing system time synchronization with secondary authoritative time sources
Verknüpfte Vorgänge
| Verknüpfungstyp | Vorgang |
|---|---|
| blocks | SC-45(02) Secondary Authoritative Time Source |