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

Recently, a handful of Windows 11 users have reported on Microsoft forums that they are repeatedly getting warnings that their PC’s security is off. It appears that a Windows 11 antivirus bug falsely ...

Microsoft Defender Antivirus, formerly known as Windows Defender, is a built-in antivirus and antimalware service that comes with Windows 10, Windows 11 and some versions of Windows Server. In its ...

Microsoft has resolved a known issue that causes incorrect alerts warning that Defender Antivirus was turned off after installing recent updates.

Want to know how to disable Windows Defender in Windows 11? In this step-by-step tutorial, I’ll show you how to turn off Microsoft Defender Antivirus and manage Windows Security settings on your ...

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 ...

With the constant and evolving threat of malware, Windows Defender Antivirus employs a series of technologies to keep Windows Server protected. While malware incidents can disrupt the workplace when ...

Microsoft has a new Defender anti-virus update for Windows 11 and 10 images. The new update patches several flaws.

Discover the best antivirus software for 2026. We tested top picks comparing malware protection, phishing tools, features, ...

The operating system (OS) on your device is responsible for quite a number of tasks under the hood. One of the core functions of an OS is security, and companies do invest a lot of effort to ensure ...

It's natural to worry about your digital files stored on your computer. Cyber attacks have become quite a common thing. To be specific, about 4000 new cyber attacks occur every day. And to safeguard ...

To disable Microsoft Defender on Windows 11, go to Settings > Privacy & Security > Windows Security > Virus & Threat Protection, click Manage Settings, and toggle off ...