Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.

Microsoft's own antivirus service comes pre-installed on Windows, but our expert antivirus tests prove there are better alternatives. Tom MorganSenior Content Producer/Writer With over a decade of ...

A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...

Windows Defender Firewall works on rules designed to allow and block network traffic. As its name suggests, this firewall protects all services and applications that rely on connectivity through ...