STIGQter: STIG Summary: IBM z/OS ACF2 Security Technical Implementation Guide Version: 9 Release: 9 Benchmark Date: 01 Jul 2026:

IBM Integrated Crypto Service Facility (ICSF) Started Task name must be properly identified / defined to the system ACP.

DISA Rule

SV-255934r1225877_rule

Vulnerability Number

V-255934

Group Title

SRG-OS-000104-GPOS-00051

Rule Version

ACF2-IC-000040

Severity

CAT II

CCI(s)

• CCI-000764 - Uniquely identify and authenticate organizational users and associate that unique identification with processes acting on behalf of those users.

Weight

10

Fix Recommendation

Ensure that the started task for IBM Integrated Crypto Service Facility (ICSF) Started Task(s) is properly Identified / defined to the System ACP.

If the product requires a Started Task, verify that it is properly defined to the System ACP with the proper attributes.

Most installation manuals will indicate how the Started Task is identified and any additional attributes that must be specified. Define the started task userid CSFSTART for IBM Integrated Crypto Service Facility (ICSF).

Example:

INSERT CSFSTART NAME(STC, ICSF) NO-SMC STC

Check Contents

From the ACF command screen enter:
SET LID
SET VERBOSE
LIST IF(MUSASS)
LIST IF(STC)

If the logonid for the IBM Integrated Crypto Service Facility (ICSF) started task does not include MUSASS and/or NO-SMC, this is a finding.

Vulnerability Number

V-255934

Documentable

False

Rule Version

ACF2-IC-000040

Severity Override Guidance

From the ACF command screen enter:
SET LID
SET VERBOSE
LIST IF(MUSASS)
LIST IF(STC)

If the logonid for the IBM Integrated Crypto Service Facility (ICSF) started task does not include MUSASS and/or NO-SMC, this is a finding.

Check Content Reference

M

Target Key

4100