Microsoft is taking its time with the boot certificate rollout, but you don't have to. Activate the latest UEFI CA 2023 right now.
Make sure you've updated before the deadline.
In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.
I'm assuming the issue is that some exploit in the last year has resulted in the UEFI being revoked. Can I ignore this warning, turn off secure boot, update Ubuntu, and then turn it back on? Or do I ...
Secure Boot, a tool that’s built into hundreds of millions of PCs to keep them from loading unverified software via UEFI, is a fundamental cornerstone of modern computer security. It uses ...
Earlier this week, Microsoft released a patch to fix a Secure Boot bypass bug used by the BlackLotus bootkit we reported on in March. The original vulnerability, CVE-2022-21894, was patched in January ...
Battlefield 6 launch day has finally arrived, and many PC gamers will soon find out that Secure Boot must be enabled in Windows 10 or Windows 11 before playing. Secure Boot is designed to keep your PC ...