Verify an antivirus solution is installed on the system. The antivirus solution may be bundled with an approved host-based security solution.If there is no antivirus solution installed on the system, this is a finding.Verify if Microsoft Defender antivirus is in use or enabled:Open "PowerShell".Enter "get-service | where {$_.DisplayName -Like "*Defender*"} | Select Status,DisplayName"Verify if third-party antivirus is in use or enabled:Open "PowerShell".Enter "get-service | where {$_.DisplayName -Like "*mcafee*"} | Select Status,DisplayNameEnter "get-service | where {$_.DisplayName -Like "*symantec*"} | Select Status,DisplayName

If no antivirus software is in use, install Microsoft Defender or third-party antivirus.Open "PowerShell".Enter "Install-WindowsFeature -Name Windows-Defender".For third-party antivirus, install per antivirus instructions and disable Windows Defender.Open "PowerShell".Enter "Uninstall-WindowsFeature -Name Windows-Defender".