Microsoft Defender AV must be configured to only send safe samples for MAPS telemetry.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-213435	WNDF-AV-000011	SV-213435r823042_rule		Medium

Description
This policy setting configures behavior of samples submission when opt-in for MAPS telemetry is set. Possible options are: (0x0) Always prompt (0x1) Send safe samples automatically (0x2) Never send (0x3) Send all samples automatically

STIG	Date
Microsoft Defender Antivirus Security Technical Implementation Guide	2022-04-08

Details

Check Text ( C-14660r820152_chk )
This is applicable to unclassified systems. For other systems this is NA. Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> MAPS >> "Send file samples when further analysis is required" is set to "Enabled" and "Send safe samples" is selected from the drop-down box. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows Defender\Spynet Criteria: If the value "SubmitSamplesConsent" is REG_DWORD = 1, this is not a finding.

Check Text ( C-14660r820152_chk )

This is applicable to unclassified systems. For other systems this is NA.

Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> MAPS >> "Send file samples when further analysis is required" is set to "Enabled" and "Send safe samples" is selected from the drop-down box.

Procedure: Use the Windows Registry Editor to navigate to the following key:
HKLM\Software\Policies\Microsoft\Windows Defender\Spynet

Criteria: If the value "SubmitSamplesConsent" is REG_DWORD = 1, this is not a finding.

Fix Text (F-14658r823041_fix)
This is applicable to unclassified systems. For other systems this is NA. Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> MAPS >> "Send file samples when further analysis is required" to "Enabled" and select "Send safe samples" from the drop-down box.