Here are the basics: Microsoft Defender is the virus protection integrated into Windows by default. If no other antivirus program is installed and activated, Defender protects you against viruses ...

Microsoft Defender comes pre-installed and pre-enabled on all Windows PCs but it’s also a very capable antivirus with good protection and a tamper resistant design.

Microsoft has confirmed a critical vulnerability in Windows Defender that could leak file content data but advised users to do nothing—here’s why.

In this build, Microsoft renamed Windows Defender Security Center to Windows Security, introduced a new screenshot feature, and continued with the Sets experiment.

If Windows Defender or Windows Security Quick scan is not working in Windows 11/10 you need to take these steps to resolve the issue.

Microsoft has released an out-of-band patch for two severe flaws in Windows Defender. The flaws were discovered by the National Cyber Security Centre (NCSC), a unit of the UK's spy agency GCHQ ...