This policy setting allows you to configure behavior monitoring. If you enable or do not configure this setting, behavior monitoring will be enabled. If you disable this setting, behavior monitoring will be disabled. Counter Measure: Configure this setting depending on your organizations requirements. Potential Impact: Behavior monitoring can impact performance. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Windows Defender\Real-time Protection\Turn on behavior monitoring (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection!DisableBehaviorMonitoring