Message CenterMajor changeAdmin impact

MC1293341 — Assess Secure Boot certificate status with Microsoft Defender

MC1293341WindowsstayInformedUpdated: 27 April 2026

Microsoft Defender now provides IT teams centralized visibility into Secure Boot 2023 certificate readiness across your device fleet. A new assessment categorizes your devices automatically as exposed, compliant, and not applicable. In the Defender portal, go to Exposure Management > Recommendations > Devices > Misconfigurations. For exposed devices, remediation guidance is directly available through the recommendation. When will this happen:The new Secure Boot 2023 certificate assessment is now...

Applies to: Windows
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).