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← Back to IBM z/OS TSS Security Technical Implementation Guide

V-224038

CAT II (Medium)

IBM z/OS system administrator must develop a procedure to notify designated personnel if baseline configurations are changed in an unauthorized manner.

Rule ID

SV-224038r958794_rule

STIG

IBM z/OS TSS Security Technical Implementation Guide

Version

V9R8

CCIs

CCI-001744

Discussion

Unauthorized changes to the baseline configuration could make the system vulnerable to various attacks or allow unauthorized access to the operating system. Changes to operating system configurations can have unintended side effects, some of which may be relevant to security. Detecting such changes and providing an automated response can help avoid unintended, negative consequences that could ultimately affect the security state of the operating system. The operating system's IMO/ISSO and SAs must be notified via email and/or monitoring system trap when there is an unauthorized modification of a configuration item.

Check Content

Ask the system administrator for the procedure to notify designated personnel if baseline configurations are changed in an unauthorized manner.

If there is no procedure, this is a finding.

Fix Text

Develop a procedure to notify designated personnel if baseline configurations are changed in an unauthorized manner.