This has never happened before. Microsoft is expiring the authentication that protects Windows PCs from threats each time ...

In the past, Microsoft has repeatedly pointed out that key security certificates in Windows 11 are due to expire as early as ...

None of that is surprising or different to the monthly norm for PC owners. What is different, Microsoft says, is that ...

Secure Boot Certificates are set to expire soon. This guide shows how to check and update them and covers a roadmap for ...

Microsoft’s April Windows 11 update introduces notifications to alert users if Secure Boot certificates—critical to preventing malware at startup—are outdated ahead of their June 2026 expiry.

Beyond fixing a host of security vulnerabilities, the latest Patch Tuesday will display your Secure Boot status to make sure ...

Microsoft rolls out April 2026 Patch Tuesday update KB5083769 for Windows 11, adding security fixes, improved networking, and ...

Time is running out, Microsoft's first Secure Boot certificates expire in June 2026. The distribution of the updated certificates is being rolled out gradually for desktop systems; for servers and in ...

Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit ...

In addition to the Windows Insider Program changes, Microsoft is also rolling out major Windows Update changes today that’s ...