CA-TSS ADMINBY Control Option must be set to ADMINBY.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-223962	TSS0-ES-000890	SV-223962r958732_rule		Medium

Description

Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and ongoing concern and can have significant adverse impacts on organizations. Auditing the use of privileged functions is one way to detect such misuse and identify the risk from insider threats and the advanced persistent threat.

STIG	Date
IBM z/OS TSS Security Technical Implementation Guide	2024-12-05

Details

Check Text (C-25635r516285_chk)

From ISPF Command Shell enter:
TSS MODIFY STATUS

If the ADMINBY Control Option value is not set or set to "NOADMBY", this is a finding.

Fix Text (F-25623r516286_fix)

Ensure ADMINBY control option is set to "ADMINBY" to record who when and where information in the ACID security record for administrative changes.

Evaluate the impact associated with implementation of the control option. Develop a plan of action to implement the control option setting "ADMINBY" and proceed with the change.