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

Windows Defender, the Redmond, Wash., developer's free-of-charge anti-spyware program for Windows XP and Windows Server 2003, went final in late October. However, the last beta -- dubbed Beta 2 -- ...

Microsoft Defender Firewall is a decent enough firewall. Its major problem isn't a lack of capability, it is a mixture of the default settings and the interface. Outbound filtering is effectively ...

Want to know how to enable Windows Defender in Windows 11? In this easy step-by-step tutorial, I’ll show you how to turn on Windows Defender Antivirus and check your Windows Security settings to help ...

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 ...