STIGQter: STIG Summary: Microsoft Windows Defender Antivirus Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

Windows Defender AV must be configured to not allow override of scanning for downloaded files and attachments.

DISA Rule

SV-213439r569189_rule

Vulnerability Number

V-213439

Group Title

SRG-APP-000209

Rule Version

WNDF-AV-000015

Severity

CAT II

CCI(s)

CCI-001169 - The information system prevents the download of organization-defined unacceptable mobile code.

Weight

Fix Recommendation

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Configure local setting override for scanning all downloaded files and attachments" to "Disabled" or "Not Configured".

Check Contents

Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Configure local setting override for scanning all downloaded files and attachments" 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 "LocalSettingOverrideDisableIOAVProtection" 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.

Windows Defender AV must be configured to not allow override of scanning for downloaded files and attachments.

DISA Rule

Vulnerability Number

Group Title

Rule Version

Severity

CCI(s)

Weight

Fix Recommendation

Check Contents

Vulnerability Number

Documentable

Rule Version

Severity Override Guidance

Check Content Reference

Target Key

Comments