Splunk Enterprise must be configured with a successful/unsuccessful logon attempts report.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-221942	SPLK-CL-000280	SV-221942r879874_rule		Medium

Description
The SIEM or Central Log Server is the mitigation method for most of the other STIGs applied to an organization. Robust alerting and reporting is a key feature in any incident response plan. The ability to report on logon attempts is the first step is creating a chain of events for a forensic analysis and incident response.

STIG	Date
Splunk Enterprise 7.x for Windows Security Technical Implementation Guide	2023-06-09

Details

Check Text ( C-23656r420294_chk )
If the Splunk instance is used for Tier 2 CSSP (formerly CND-SP) or JRSS analysis, this check is N/A. Interview the System Administrator (SA) to demonstrate that a logon attempts report exists. If a report does not exist, this is a finding.

Fix Text (F-23645r420295_fix)
If the Splunk instance is used for Tier 2 CSSP (formerly CND-SP) or JRSS analysis, this fix is N/A. Configure Splunk Enterprise using the reporting and notification tools to create a report that audits the logon attempts. Make this report available to the ISSM and other required individuals.