Most PCs should continue working fine, even if they don't receive the updated certificates.

A security researcher has released a new Microsoft Defender zero-day exploit named "RoguePlanet" just hours after Microsoft ...

Several hacking groups with ties to the Chinese government have been linked to a recent wave of widespread attacks targeting a Microsoft SharePoint zero-day vulnerability chain. They used this exploit ...

PCWorld reports that Windows 11 PCs face a critical Secure Boot certificate expiration in June 2026 that could compromise system security. Current certificates from 2011 will stop receiving ...

‘2025 continues to emerge as the year of the Windows 11 PC refresh,’ said Yusuf Mehdi, Microsoft executive vice president and consumer chief marketing officer. Microsoft is adding more free Windows 10 ...

PCWorld highlights Smart App Control, a crucial Windows 11 security feature that screens apps through Microsoft’s cloud service to protect against malware and compromised executables. A February 2026 ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Check your PC by the end of this month. This has never happened before. Microsoft is ...

Windows users are being urged to update their PCs immediately following a major security alert from Microsoft. The tech giant ...

Microsoft has rolled out fixes for security vulnerabilities in Windows and Office, which the company says are being actively abused by hackers to break into people’s computers. The exploits are ...

Get the latest info on new features, bug fixes, and security updates for Microsoft 365/Office 365 for Windows as they roll ...

Microsoft PC Manager replaces multiple Windows tools with one free, official console. It boosts performance, cleans storage, manages apps, handles security, and offers handy utilities, all without ...