STIGQter: STIG Summary: Mainframe Product Security Requirements Guide Version: 3 Release: 5 Benchmark Date: 01 Jul 2026:

The Mainframe Product must implement cryptographic mechanisms to prevent unauthorized modification of all information not cleared for public release at rest on system components outside of organization facilities.

DISA Rule

SV-205584r1028317_rule

Vulnerability Number

V-205584

Group Title

SRG-APP-000428

Rule Version

SRG-APP-000428-MFP-000303

Severity

CAT I

CCI(s)

• CCI-002475 - Implement cryptographic mechanisms to prevent unauthorized modification of organization-defined information when at rest on organization-defined system components.

Weight

10

Fix Recommendation

Configure the Mainframe Product to implement cryptographic mechanisms to prevent unauthorized modification of all information not cleared for public release at rest on system components outside of organization facilities.

Check Contents

Examine installation and configuration settings.

Review requirements for relevant organizational or site-defined information.

If the Mainframe Product does not have cryptographic mechanisms implemented to prevent unauthorized modification of all information not cleared for public release at rest on system components outside of organization facilities, this is a finding.

Vulnerability Number

V-205584

Documentable

False

Rule Version

SRG-APP-000428-MFP-000303

Severity Override Guidance

Examine installation and configuration settings.

Review requirements for relevant organizational or site-defined information.

If the Mainframe Product does not have cryptographic mechanisms implemented to prevent unauthorized modification of all information not cleared for public release at rest on system components outside of organization facilities, this is a finding.

Check Content Reference

M

Target Key

2906