Microsoft is taking its time with the boot certificate rollout, but you don't have to. Activate the latest UEFI CA 2023 right now.
In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...
Microsoft's Secure Boot certificates expire in June and need to be replaced. Microsoft provides a guide for server admins.
Updated firmware trust chains strengthen rootkit protection and zero-trust infrastructure security.
Microsoft is rolling out refreshed Secure Boot certificates across the Windows ecosystem, aiming to replace the original trust anchors that have been in use since 2011. Secure Boot is enforced by UEFI ...
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