Splunk Enterprise idle session timeout must be set to not exceed 15 minutes.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-221938SRG-APP-000295-AU-000190SPLK-CL-000190SV-221938r961221_rule2024-08-273
Description
Automatic session termination after a period of inactivity addresses the potential for a malicious actor to exploit the unattended session. Closing any unattended sessions reduces the attack surface to the application.
ℹ️ Check
Select Settings >> Server Settings >> General Settings and verify that Session timeout is set to 15 minutes or less. If Splunk is not configured to 15 minutes or less, this is a finding.
✔️ Fix
Select Settings >> Server Settings >> General Settings and set Session timeout to 15 minutes or less.