In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...

Secure Boot has relied on the same security certificates to verify bootloaders since 2011, during the development cycle for Windows 8. But those original certificates are set to expire in June and ...

Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2, according to a report by BleepingComputer. Update: On February 10, ...

Get ye to Windows Update, because there's a good chance you've got new Secure Boot certificates to install. Microsoft just ...

Find the Secure Boot option and change it to Disabled. Save the changes and reboot again. We recommend keeping Secure Boot enabled unless you're sure it needs to be disabled. This article explains how ...

Windows 11 is refreshing Secure Boot keys in 2026. Here's why TPM-WMI Event ID 1801 appears, and how to verify the new certificate.

Microsoft is preparing to roll out new Secure Boot certificates via Windows Update to keep old PCs protected from boot‑level ...

Microsoft will roll out new Secure Boot certificates for Windows users starting June, as the old certificates will expire.

Microsoft adds a Secure Boot status report to Intune, helping IT admins track certificate updates and reduce security risks.

Microsoft is reminding users that the Secure Boot ecosystem will soon require a mandatory check-up. The Redmond-backed security protocol, part of the UEFI specification and primarily ...

Refreshing new certificates represents one of the largest coordinated security maintenance efforts across the Windows ecosystem,' Microsoft explains.

I only know that secure boot is a feature that checks the system bootloader is properly signed by something/somebody authorized to do so. So it would make sense that ...