STIGQter: STIG Summary: General Purpose Operating System Security Requirements Guide Version: 3 Release: 3 Benchmark Date: 28 Oct 2025:

The operating system must implement cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission unless otherwise protected by alternative physical safeguards, such as, at a minimum, a Protected Distribution System (PDS).

DISA Rule

SV-203749r1117271_rule

Vulnerability Number

V-203749

Group Title

SRG-OS-000424

Rule Version

SRG-OS-000424-GPOS-00188

Severity

CAT I

CCI(s)

• CCI-002421 - Implement cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission.

Weight

10

Fix Recommendation

Configure the operating system to implement cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission unless otherwise protected by alternative physical safeguards, such as, at a minimum, a Protected Distribution System (PDS).

Check Contents

Verify the operating system implements cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission unless otherwise protected by alternative physical safeguards, such as, at a minimum, a Protected Distribution System (PDS).

If it does not, this is a finding.

Vulnerability Number

V-203749

Documentable

False

Rule Version

SRG-OS-000424-GPOS-00188

Severity Override Guidance

Verify the operating system implements cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission unless otherwise protected by alternative physical safeguards, such as, at a minimum, a Protected Distribution System (PDS).

If it does not, this is a finding.

Check Content Reference

M

Target Key

2895