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V-213436

CAT II (Medium)

Microsoft Defender AV must be configured for protocol recognition for network protection.

Rule ID

SV-213436r1190716_rule

STIG

Microsoft Defender Antivirus Security Technical Implementation Guide

Version

V2R8

CCIs

CCI-002624

Discussion

This policy setting allows the configuration of protocol recognition for network protection against exploits of known vulnerabilities. If this setting is enabled or not configured, protocol recognition will be enabled. If this setting is disabled, protocol recognition will be disabled.

Check Content

Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Network Inspection System >> "Turn on protocol recognition" 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\NIS

Criteria: If the value "DisableProtocolRecognition" 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 >> Network Inspection System >> "Turn on protocol recognition" to "Enabled" or "Not Configured".