Is the Windows Defender Firewall Service Always Necessary to Stay Running?

[Anthony Rosa1]

Hello,In my current collegiate studies, we are doing labs where Trellix is installed on Windows 10 as a third-party AV and Firewall provider. When Trellix is running, the Windows Defender Firewall shows disabled in Windows Security. However, the service is still running (Get-Service). Windows Defender Firewall with Advanced Security also displays that the Windows Defender Firewall is on. I tried to then stop the Defender Firewall Service (mpssvc) to see if the service is required, but I am unable to stop it even in an Administrative PowerShell session (Stop-Service -Name MpsSvc -Force) and the

Continue reading...