The Palo Alto Networks security platform must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-228666	SRG-APP-000374-NDM-000299	PANW-NM-000101	SV-228666r961443_rule	2025-03-12	3

Description
If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analysis. Time stamps generated by the application include date and time and must be expressed in Coordinated Universal Time (UTC), also known as Zulu time, a modern continuation of Greenwich Mean Time (GMT).

ℹ️ Check
Go to Device >> Setup >> Management In the "General Settings" window, if the time zone is not set to "GMT" or "UTC", this is a finding.

✔️ Fix
Go to Device >> Setup >> Management In the "General Settings" window, select the "Edit" icon (the gear symbol in the upper-right corner of the pane). In the "General Settings" window, in the "Time Zone" field, select "GMT" or "UTC" from the list of time zones. Select "OK". Commit changes by selecting "Commit" in the upper-right corner of the screen. Select "OK" when the confirmation dialog appears.

✔️ Fix

Go to Device >> Setup >> Management In the "General Settings" window, select the "Edit" icon (the gear symbol in the upper-right corner of the pane). In the "General Settings" window, in the "Time Zone" field, select "GMT" or "UTC" from the list of time zones. Select "OK". Commit changes by selecting "Commit" in the upper-right corner of the screen. Select "OK" when the confirmation dialog appears.