Assessment Objective
Determine if:
- SC-45(01)(a) the internal system clocks are compared [Assignment: frequency] with [Assignment: authoritative time source];
- SC-45(01)(b) the internal system clocks are synchronized with the authoritative time source when the time difference is greater than [Assignment: time period].
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
Linkede sager
| Linktype | Sag |
|---|---|
| blocks | SC-45(01) Synchronization with Authoritative Time Source |