Microsoft Defender is an essential part of Windows 11 that helps keep your computer safe from all kinds of threats. It's a firewall and antivirus, and contrary to what used to be said a few years ago, ...

If you're new to the default firewall on Windows 11, here are all the basics you need to know. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On ...

In recent years, users have repeatedly reported that “Windows Security” no longer starts. As Windows virus protection is also included here, this error should be ...