Secure Boot must be enabled on Windows 11 systems.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-253257WN11-00-000020SV-253257r1210281_ruleCCI-002421medium
Description
Secure Boot is a standard that ensures systems boot only to a trusted operating system. Secure Boot is required to support additional security features in Windows 11, including virtualization-based Security and Credential Guard. If Secure Boot is turned off, these security features will not function.
STIGDate
Microsoft Windows 11 Security Technical Implementation Guide2026-05-19

Details

Check Text (C-253257r1210281_chk)

Verify the system firmware is configured for Secure Boot. Run "System Information". Under "System Summary", if "Secure Boot State" does not display "On", this is a finding.

Fix Text (F-56660r828854_fix)

Enable Secure Boot in the system firmware.