WNDF-AV-000021 - Windows Defender AV must be configured to always enable real-time protection.

Information

This policy setting turns off real-time protection prompts for known malware detection. Windows Defender Antivirus alerts you when malware or potentially unwanted software attempts to install itself or to run on your computer. If you enable this policy setting Windows Defender Antivirus will not prompt users to take actions on malware detections. If you disable or do not configure this policy setting Windows Defender Antivirus will prompt users to take actions on malware detections.

Solution

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> 'Turn off real-time protection' to 'Disabled' or 'Not Configured'.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Windows_Defender_Antivirus_V1R9_STIG.zip

Item Details

Category: SYSTEM AND INFORMATION INTEGRITY

References: 800-53|SI-3, CAT|II, CCI|CCI-001242, Rule-ID|SV-89907r2_rule, STIG-ID|WNDF-AV-000021, Vuln-ID|V-75227

Plugin: Windows

Control ID: ca534fa01b9d06bf106dfa5d5081112aacc161f4abc7157288c46d575ae0c4e9