Check: WNDF-AV-000017
Microsoft Defender Antivirus STIG:
WNDF-AV-000017
(in versions v2 r3 through v1 r1)
Title
Windows Defender AV Group Policy settings must take priority over the local preference settings. (Cat II impact)
Discussion
This policy setting configures a local override for the configuration to turn on real-time protection. This setting can only be set by Group Policy. If you enable this setting the local preference setting will take priority over Group Policy. If you disable or do not configure this setting Group Policy will take priority over the local preference setting.
Check Content
Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Configure local setting override to turn on real-time protection" is set to "Disabled" or "Not Configured". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection Criteria: If the value "LocalSettingOverrideDisableRealtimeMonitoring" is REG_DWORD = 0, this is not a finding. If the value does not exist, this is not a finding. If the value is 1, this is a finding.
Fix Text
Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Configure local setting override to turn on real-time protection" to "Disabled" or "Not Configured".
Additional Identifiers
Rule ID: SV-213441r569189_rule
Vulnerability ID: V-213441
Group Title: SRG-APP-000278
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-001242 |
The organization configures malicious code protection mechanisms to perform real-time scans of files from external sources at endpoints as the files are downloaded, opened, or executed in accordance with organizational security policy. |
Controls
| Number | Title |
|---|---|
| SI-3 |
Malicious Code Protection |