You can now detect and block harmful third-party apps using Windows Defender Antivirus, and in this guide, we'll show you how to do it on Windows 10.

If you are facing Microsoft Defender problems on your iPhone, iPad, Android or Windows device, here are some troubleshooting solutions to help you.

This guide will help you get started with Windows Defender Offline, a powerful tool designed to remove malware that's deeply embedded in Windows 10.

The new Microsoft Defender app, which is not to be confused with Windows Defender (now Windows Security), is intended to provide a one-stop solution for your security needs.

The SmartScreen filter in Windows 10 can sometimes stop you from downloading the app you want. Here's how to get past it, and why sometimes you should think twice before doing so.