STIGQter: STIG Summary: Microsoft Windows Server 2025 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 01 Jul 2026:

Windows Server 2025 setting Domain member: Digitally encrypt secure channel data (when possible) must be configured to Enabled.

DISA Rule

SV-278201r1181309_rule

Vulnerability Number

V-278201

Group Title

SRG-OS-000423-GPOS-00187

Rule Version

WN25-SO-000070

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 encrypt 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: SealSecureChannel

Value Type: REG_DWORD
Value: 0x00000001 (1)

Vulnerability Number

V-278201

Documentable

False

Rule Version

WN25-SO-000070

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: SealSecureChannel

Value Type: REG_DWORD
Value: 0x00000001 (1)

Check Content Reference

M

Target Key

5719