The system that defends your computer may be throttling your downloads.

Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by ...

Microsoft pushed emergency patches this week for two zero-day vulnerabilities in Windows Defender, the antivirus software ...

Recently, Microsoft released a Windows update on the down low that mainly fixes a major problem in Microsoft Defender Antivirus. This was first spotted and reported by Neowin. The update, called ...

Update, March 31, 2025: This story, originally published March 29, has been updated with an explanation of LOLBINS as well as further technical information regarding the Windows Defender Application ...

There is (or was) a vulnerability in Windows Defender, but you don't have to worry about it. That's the short version. The longer version, for those who are interested, is that Microsoft detected a ...

Many Windows users attempt to open the Windows Defender Scans folder to remove Windows Defender history but find that they can’t access it. If a double-click is not opening the Windows Defender Scans ...

Microsoft has resolved an issue that breaks multiple Microsoft 365 Defender features using the network data reporting service after installing July's Windows Server updates. The Microsoft 365 Defender ...

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 ...

Are you worried that your missing Windows Defender history is hiding an infection? Windows Security’s Protection History tracks the Defender’s actions, helping you identify and remove threats easily.

PCWorld outlines five essential Windows Defender configuration changes to optimize security and performance on new Windows PCs. Key adjustments include disabling redundant system tray icons, turning ...