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

Security researchers have uncovered an unpatched Windows security bug with effectively unlimited potential attack ...

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June 2026. Most PC owners are fine if they install the latest updates. Last year's ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to secure their Windows systems ...

Windows 10 support has ended, leaving millions exposed. Here are six options, from upgrading to Windows 11 to switching to ...

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

Windows 11's April update made it easy to check your Secure Boot certificate status ahead of the June 2026 expiration ...

Learn how to find Microsoft Defender Antivirus Signature Version in Windows 11 using Windows Security, PowerShell, Intune, ...

I always want to make sure my new Windows PC is protected against security threats. Here are five things I do with that goal in mind.

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

And Microsoft’s latest Windows security update disrupts authentication, devices, and websites, forcing enterprises to roll back installations.