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 process scanning when real-time protection is enabled.

DISA Rule

SV-213447r569189_rule

Vulnerability Number

V-213447

Group Title

SRG-APP-000278

Rule Version

WNDF-AV-000023

Severity

CAT II

CCI(s)

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.

Weight

Fix Recommendation

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> Turn on process scanning whenever real-time protection is enabled to "Enabled" or "Not Configured".

Check Contents

Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Turn on process scanning whenever real-time protection is enabled" 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 "DisableScanOnRealtimeEnable" 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 process scanning when real-time protection is enabled.

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

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