Microsoft Windows 11

The system must be configured to use FIPS-compliant algorithms for encryption, hashing, and signing

STIG ID: WN11-SO-000230 | SRG: SRG-OS-000478-GPOS-00223 | Severity: Medium | CCI: CCI-002450 | Vulnerability ID: V-253466

Description

This setting ensures that the system uses algorithms that are FIPS-compliant for encryption, hashing, and signing. FIPS-compliant algorithms meet specific standards established by the U.S. Government and must be the algorithms used for all OS encryption functions.

Check

C-253466r959006_chk

If the following registry value does not exist or is not configured as specified, this is a finding:Registry Hive: HKEY_LOCAL_MACHINERegistry Path: \SYSTEM\CurrentControlSet\Control\Lsa\FIPSAlgorithmPolicy\Value Name: EnabledValue Type: REG_DWORDValue: 1Warning: Clients with this setting enabled will not be able to communicate via digitally encrypted or signed protocols with servers that do not support these algorithms.

Fix

F-56869r829481_fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing" to "Enabled".