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

Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...

One of those was UEFI Secure Boot, a mechanism for verifying PC bootloaders to ensure that unverified software can’t be loaded at startup. Secure Boot was enabled but technically optional for Windows ...

I've got my Ubuntu system at home set up using UEFI boot, mirrored root/home using btrfs, and mirrored swap using LVM, but making sure that /boot/efi is mirrored across both drives and usable in the ...

After 15 years, the original Secure Boot certificates that keep your PC secure during boot are expiring. Here's what you need to know.