Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

ZDNET's key takeaways Microsoft Defender will continue to work in Windows 10.Defender will receive regular security updates until October 2028.Microsoft still recommends Windows 11 for new security ...

Microsoft has confirmed that Windows Server updates from last month's Patch Tuesday break some Microsoft 365 Defender features that use the network data reporting service. Redmond describes Microsoft ...

Aside from new Windows setup and recovery updates, Microsoft has also published a new Defender update for Windows 11/10/Server installation images this week. This update package is necessary as a ...

Effective Oct. 14, Microsoft no longer supports Windows 10, but there are three ways to extend critical security updates and ...

Microsoft Windows Defender is the default security feature on every Windows 11 PC. It’s one of the OS’s most useful features because it works continuously in the background to detect and prevent ...

A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...

This past week Microsoft released the Patch Tuesday updates for August 2025 on Windows 10 (KB5063709 / KB5063877 / KB5063871 / KB5063889) and for Windows 11 (KB5063878, KB5063875). Aside from that, ...

A new tool called 'Defendnot' can disable Microsoft Defender on Windows devices by registering a fake antivirus product, even when no real AV is installed. The trick utilizes an undocumented Windows ...

In brief: Microsoft plans to end support for Windows 10 this October despite its enduring popularity and the fact that hundreds of millions of usable PCs don't support Windows 11. The company recently ...

Microsoft is gradually rolling out Windows 11 25H2. You can wait for the update to arrive, or manually install it. The 2025 version tightens security and tweaks ...

CVE-2025-55315 allows HTTP request smuggling in ASP.NET Core (severity 9.9/10) QNAP urges NetBak PC Agent users to patch ...