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Check: WNDF-AV-000007

Microsoft Defender Antivirus STIG: WNDF-AV-000007 (in version v2 r4)

Title

Microsoft Defender AV must be configured to enable the Automatic Exclusions feature. (Cat II impact)

Discussion

This setting allows an administrator to specify if Automatic Exclusions feature for Server SKUs should be turned off.

Check Content

Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Exclusions >> "Turn off Auto Exclusions" is set to "Disabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows Defender\Exclusions Criteria: If the value "DisableAutoExclusions" is REG_DWORD = 0, this is not a finding.

Fix Text

Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Exclusions >> "Turn off Auto Exclusions" to "Disabled".

Additional Identifiers

Rule ID: SV-213431r823034_rule

Vulnerability ID: V-213431

Group Title: SRG-APP-000278

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CCIs

CCIs tied to check.

Number	Definition
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.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
SI-3	Malicious Code Protection