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

IBM Integrated Crypto Service Facility (ICSF) Started Task name is not properly identified / defined to the system ACP.

DISA Rule

SV-255942r958482_rule

Vulnerability Number

V-255942

Group Title

SRG-OS-000104-GPOS-00051

Rule Version

TSS0-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

The Systems Programmer and IAO will 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:

TSS CRE(CSFSTART) DEPT(Dept) NAME('ICSF STC') -
FAC(STC) PASSWORD(password,0) -
SOURCE(INTRDR)

Check Contents

Review the IBM Integrated Crypto Service Facility (ICSF) STC/Batch ACID(s) for the following:

___ Is defined with Facility of STC and/or BATCH.

___ Is sourced to the INTRDR.

c) If all of the above are true this is not a finding

d) If any of the above is untrue this is a finding.

Vulnerability Number

V-255942

Documentable

False

Rule Version

TSS0-IC-000040

Severity Override Guidance

Review the IBM Integrated Crypto Service Facility (ICSF) STC/Batch ACID(s) for the following:

___ Is defined with Facility of STC and/or BATCH.

___ Is sourced to the INTRDR.

c) If all of the above are true this is not a finding

d) If any of the above is untrue this is a finding.

Check Content Reference

M

Target Key

4102