Windows Defender AV must be configured to disable local setting override for reporting to Microsoft MAPS.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-75161	WNDF-AV-000008	SV-89841r2_rule		Medium

Description
This policy setting configures a local override for the configuration to join Microsoft MAPS. 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.

STIG	Date
MS Windows Defender Antivirus Security Technical Implementation Guide	2018-03-29

Details

Check Text ( C-74953r5_chk )
This is applicable to unclassified systems, for other systems this is NA. Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> MAPS -> "Configure local setting override for reporting to Microsoft MAPS" 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\Spynet Criteria: If the value "LocalSettingOverrideSpynetReporting" 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.

Check Text ( C-74953r5_chk )

This is applicable to unclassified systems, for other systems this is NA.

Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> MAPS -> "Configure local setting override for reporting to Microsoft MAPS" 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\Spynet

Criteria: If the value "LocalSettingOverrideSpynetReporting" 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 (F-81773r4_fix)
This is applicable to unclassified systems, for other systems this is NA. Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> MAPS -> "Configure local setting override for reporting to Microsoft MAPS" to "Disabled" or "Not Configured".