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Check: WNDF-AV-000019

Microsoft Defender Antivirus STIG: WNDF-AV-000019 (in version v2 r4)

Title

Microsoft Defender AV must be configured to monitor for file and program activity. (Cat II impact)

Discussion

This policy setting allows configuration of monitoring for file and program activity. If this setting is enabled or not configured, monitoring for file and program activity will be enabled. If this setting is disabled, monitoring for file and program activity will be disabled.

Check Content

Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Real-time Protection >> "Monitor file and program activity on your computer to be scanned" 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 "DisableOnAccessProtection" 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 >> Microsoft Defender Antivirus >> Real-time Protection >> "Monitor file and program activity on your computer" to "Enabled" or "Not Configured".

Additional Identifiers

Rule ID: SV-213443r823058_rule

Vulnerability ID: V-213443

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