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The macOS system must enforce time synchronization.


Overview

Finding ID Version Rule ID IA Controls Severity
V-259425 APPL-14-000014 SV-259425r940897_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
STIG Date
Apple macOS 14 (Sonoma) Security Technical Implementation Guide 2024-01-10

Details

Check Text ( C-63164r940895_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-63072r940896_fix)
Configure the macOS system to enforce time synchronization by installing the "com.apple.timed" configuration profile.