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

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

Microsoft is also updating the Windows Security app with a status indicator that will let users know whether their Windows 10 and 11 installations have the latest Secure Boot certificates.

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

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

导语：4月的微软补丁更新带来重要变化——Windows 现在会在系统设置中直观显示“安全启动”（Secure Boot/安全启动）状态，并告诉你是否已应用最新的证书更新。此项提示关系重大：部分旧证书将在6月到期，若未及时替换，安全启动的保护能力可能下降。与此同时，本次补丁修复了164个漏洞，其中8个为高危、2个为已被利用的零日漏洞，建议立即更新。

If you open the Windows Security app and go to the Device Security page, you can check whether Secure Boot certificate is up ...

The Secure Boot refresh is one of the largest coordinated security maintenance efforts across the Windows ecosystem, ...

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

要获取新的Secure Boot证书，确保你已经应用了最新的Windows更新。在Windows 10中，前往设置，选择更新与安全，然后点击Windows更新，检查是否有可用更新。在Windows 11中，直接进入Windows更新，点击检查更新按钮。下载并安装最新更新后，再次检查Secure Boot状态。

For the past seven months—and likely longer—an industry-wide standard that protects Windows devices from firmware infections could be bypassed using a simple technique. On Tuesday, Microsoft finally ...

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