How to check your Windows PC for expiring security certificates - a big one is ending soon ...

Make sure you've updated before the deadline.

Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.

Microsoft is rolling out "Secure Boot Allowed Key Exchange Key (KEK) Update," which requires a system reboot to finish ...

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that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

TL;DR: Secure Boot certificates in Windows 10 and 11 will expire by June 2026, risking system security and compatibility. Microsoft is issuing new certificates through updates and OEM firmware ...

Any activity conducted on the Internet must ultimately rely upon security certificates. These Secure Sockets Layer (SSL) certificates are what businesses and organizations trust and rely on when it ...

So... my Asus mobo (ROG Strix Z390-E Gaming) is from 2018, and while the code Andrew provided for PowerShell shows I'm OK for the new cert, I get "False" for Default ...

DALLAS, Aug. 17 /PRNewswire/ -- Expanding on an already impressive digital certificate portfolio, Entrust, Inc., adds publicly trusted secure e-mail certificates to its certificate management service, ...