The IDPS must protect the sensor event log information from unauthorized modification.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-34568	SRG-NET-999999-IDPS-00232	SV-45419r1_rule		Medium

Description
Logging the actions of specific events provides a means to investigate an attack, recognize resource utilization or capacity thresholds, or to simply identify an improperly configured system. Event log data must be protected from unauthorized access, including from legitimate administrators who do not need this type of access. Without this protection, a compromise or loss of log data needed for incident analysis or risk assessment is possible. Direct sensor log modification is not recommended. If it becomes necessary for operational or mission essential reasons, the modification action must generate an audit log entry in compliance with CCI-000172.

Description

Logging the actions of specific events provides a means to investigate an attack, recognize resource utilization or capacity thresholds, or to simply identify an improperly configured system. Event log data must be protected from unauthorized access, including from legitimate administrators who do not need this type of access. Without this protection, a compromise or loss of log data needed for incident analysis or risk assessment is possible. Direct sensor log modification is not recommended. If it becomes necessary for operational or mission essential reasons, the modification action must generate an audit log entry in compliance with CCI-000172.

STIG	Date
Intrusion Detection and Prevention Systems (IDPS) Security Requirements Guide	2012-11-19

Details

Check Text ( C-42769r1_chk )
Verify a security policy for the sensor event logs is in place which allows only system administrators with the proper authorization to modify the sensor log on the sensors and management console. If event logs are not protected from unauthorized modification, this is a finding.

Fix Text (F-38816r1_fix)
Create and implement an access control security policy to prevent unauthorized modification of the sensor event logs on the management console and sensors.