CMMC 2.0
Audit and Accountability

CMMC 2.0 AU.L2-3.3.7: Time Stamps & Synchronization

Synchronize internal system clocks against an authoritative time source so audit record time stamps are comparable across systems.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

What else in your programme already covers this

This control maps to 22 controls across 13 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

FedRAMP High · 3 controls

  • AU-8 Time Stamps
  • SC-45 System Time Synchronization (SC-45)
  • SC-45(1) System Time Synchronization | Synchronization with Authoritative Time Source (SC-45(1))

FedRAMP Moderate · 3 controls

  • AU-8 Time Stamps
  • SC-45 System Time Synchronization (SC-45)
  • SC-45(1) System Time Synchronization | Synchronization with Authoritative Time Source (SC-45(1))

PCI DSS 4.0 · 3 controls

  • 10.6.1 10.6.1 System clocks synchronized with time-sync technology
  • 10.6.2 10.6.2 Systems configured to correct and consistent time
  • 10.6.3 10.6.3 Time sync configuration and time data protected

ISO 27001:2022 · 2 controls

  • 8.15 Logging
  • 8.17 Clock synchronization 

NIST SP 800-53 Rev 5 · 2 controls

SOC 2 · 2 controls

  • SOC2-CC7.1 CC7.1 Detecting configuration changes and new vulnerabilities
  • SOC2-CC7.2 CC7.2 Monitoring system components for anomalies
  • ANSSI-HYG-36 Enable and Configure Logging on the Most Important Components
  • ASBv3-LT-7 Use approved time synchronization sources

C5 (Germany) · 1 control

  • C5-OPS-11 Logging and Monitoring - Metadata Management Concept

CIS Controls v8 · 1 control

  • CIS-8.4 Standardize Time Synchronization

ISO 27002:2022 · 1 control

  • 8.17 Clock synchronization

Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.

Other controls in Audit and Accountability

You are reading one control. How much of CMMC 2.0 have you already done?

CMMC 2.0 AU.L2-3.3.7 is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of CMMC 2.0 your existing evidence covers. Hold FedRAMP Moderate and 108 of 110 CMMC 2.0 controls already carry evidence.

Each report names every control your existing framework evidences, every one it does not, the reasoning behind each claim, and the claims that were argued against and rejected. 1 were rejected on the FedRAMP Moderate pair alone.

Query this from an agent

The graph holds this control, the 22 it maps to, and the evidence behind each claim, over MCP and REST.