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Check: WNDF-AV-000019

Microsoft Defender Antivirus STIG: WNDF-AV-000019 (in versions v2 r3 through v1 r1)

Title

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

Discussion

This policy setting allows you to configure monitoring for file and program activity. If you enable or do not configure this setting monitoring for file and program activity will be enabled. If you disable this setting monitoring for file and program activity will be disabled.

Check Content

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

Additional Identifiers

Rule ID: SV-213443r569189_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