Title

Microsoft Defender AV must be configured to enable behavior monitoring. (Cat II impact)

Discussion

This policy setting allows configuration of behavior monitoring. If this setting is enabled or not configured, behavior monitoring will be enabled. If this setting is disabled, behavior monitoring will be disabled.

Check Content

Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Real-time Protection >> "Turn on behavior monitoring" 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 "DisableBehaviorMonitoring" 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.

Fix Text

Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Defender Antivirus >> Real-time Protection >> "Turn on behavior monitoring" to "Enabled " or "Not Configured".

Additional Identifiers

Rule ID: SV-213446r823063_rule

Vulnerability ID: V-213446

Group Title: SRG-APP-000210

Expert Comments

CCIs tied to check.

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