STIGQter: STIG Summary: Microsoft Windows 11 Security Technical Implementation Guide Version: 2 Release: 8 Benchmark Date: 01 Jul 2026:

Outgoing secure channel traffic must be signed.

DISA Rule

SV-253440r958908_rule

Vulnerability Number

V-253440

Group Title

SRG-OS-000423-GPOS-00187

Rule Version

WN11-SO-000045

Severity

CAT II

CCI(s)

• CCI-002418 - Protect the confidentiality and/or integrity of transmitted information.
• 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 policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Domain member: Digitally sign secure channel data (when possible)" to "Enabled".

Check Contents

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\

Value Name: SignSecureChannel

Value Type: REG_DWORD
Value: 1

Vulnerability Number

V-253440

Documentable

False

Rule Version

WN11-SO-000045

Severity Override Guidance

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\

Value Name: SignSecureChannel

Value Type: REG_DWORD
Value: 1

Check Content Reference

M

Target Key

5471