The macOS system must enforce time synchronization.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-268427 | APPL-15-000014 | SV-268427r1038944_rule | Medium |
| Description |
| Time synchronization must be enforced on all networked systems. This rule ensures the uniformity of time stamps for information systems with multiple system clocks and systems connected over a network. Satisfies: SRG-OS-000355-GPOS-00143, SRG-OS-000356-GPOS-00144, SRG-OS-000785-GPOS-00250 |
| STIG | Date |
| Apple macOS 15 (Sequoia) Security Technical Implementation Guide | 2025-05-05 |
Details
| Check Text (C-72457r1034219_chk) |
| Verify the macOS system is configured to enforce time synchronization with the following command: /usr/bin/osascript -l JavaScript << EOS $.NSUserDefaults.alloc.initWithSuiteName('com.apple.timed')\ .objectForKey('TMAutomaticTimeOnlyEnabled').js EOS If the result is not "true", this is a finding. |
| Fix Text (F-72358r1034220_fix) |
| Configure the macOS system to enforce time synchronization by installing the "com.apple.timed" configuration profile. |