Microsoft updates Windows Defender definitions for Windows 11 26H2 installation images, improving protection against malware ...

Microsoft released a new Defender update for Windows 11,10, and Server installation images. It patches backdoors and more.

Microsoft released a new Defender update for Windows 10 and 11 ISO images. According to the company, this update must be deployed across all new Windows 11 and 10 installs. This past week Microsoft ...

Recently, you often see claims like "Windows Defender is enough" or "You don't need paid antivirus software." This is a ...

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk ...

The first issue produces a notification claiming that Microsoft Defender Antivirus is turned off even when real-time protection is running normally. Per Microsoft’s own Windows Release Health ...

Microsoft has resolved a known issue that causes incorrect alerts warning that Defender Antivirus was turned off after installing recent updates. In a Windows release health dashboard update on ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. New warnings are a mistake. Microsoft has now confirmed that new warnings alarming Windows ...

Over the weekend, security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) released another Microsoft Defender zero-day exploit that blocks antivirus updates. The security researcher ...

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 patches. You probably ...

Microsoft will retire Defender security APIs on February 1, 2027. IT admins must migrate to Microsoft Graph to avoid ...

The majority of the updates that come through Windows Update are for Windows Defender, and for good reason. Windows Defender helps make your antimalware and other security protections stronger.