Vital Windows 11 certificates are expiring: how to check if you’re affected

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

Secure Boot is an important security feature that prevents malicious software from running during system startup. It is part of Windows’ UEFI/BIOS and compares the digital signatures of software with specific keys stored in the system.

Microsoft warned back in November that the Secure Boot certificates for...