Updated firmware trust chains strengthen rootkit protection and zero-trust infrastructure security.

KB5077241 is now officially available, bringing Emoji 16.0, Sysmon integration, Secure Boot updates, and key Windows 11 ...

Microsoft is taking its time with the boot certificate rollout, but you don't have to. Activate the latest UEFI CA 2023 right now.

Windows systems are heading toward a trust-chain maintenance event that’s easy to overlook until it breaks something. Windows 10 and Windows 11 rely on three security certificates that begin expiring ...

Ensure your PC boots safely before Secure Boot changes.

IT admins will be busy this month patching Microsoft software and apps, but not nearly as busy as they were in January.

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.

In brief: Secure Boot was originally introduced with Windows 8 as a firmware-based security feature designed to protect the OS from potentially malicious boot code. After more than 15 years, the ...

Microsoft introduced Secure Boot back in 2011, and made it a key requirement for installation of Windows 11. And now some users will have to update their certificates ...

Microsoft has launched a critical "generational refresh" of Secure Boot certificates to replace aging security keys that are ...

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 ...

Microsoft said it has begun rolling out new Secure Boot security certificates, ahead of a late June 2026 expiration deadline that affects virtually every Windows device globally. The certificates, ...