STIGQter 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 scan all downloaded files and attachments.

DISA Rule

SV-213444r569189_rule

Vulnerability Number

V-213444

Group Title

SRG-APP-000209

Rule Version

WNDF-AV-000020

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Scan all downloaded files and attachments" to "Enabled" or "Not Configured".

Check Contents

Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Scan all downloaded files and attachments" is set to "Enabled" 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 "DisableIOAVProtection" 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.

Vulnerability Number

V-213444

Documentable

False

Rule Version

WNDF-AV-000020

Severity Override Guidance

Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Scan all downloaded files and attachments" is set to "Enabled" 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 "DisableIOAVProtection" 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 Content Reference

M

Target Key

3985

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