TMA-INTUNE-DEFENDER-2.2
Ensure 'Allow Behavior Monitoring' is set to 'Allowed'
Description
This policy setting allows you to configure behavior monitoring for Microsoft Defender Antivirus. The recommended state for this setting is: Allowed. Turns on real-time behavior monitoring.. Audit: reads the registry value(s) behind this Defender policy (HKLM\SOFTWARE\Policies\Microsoft\Windows Defender) and prints compliant only when each satisfies the benchmark value. Policy delivered by Intune only appears here once it has been applied to the device.
How it is checked
Audit method: Windows registry
$bad = @(); $v = (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\PolicyManager' -Name 'AllowBehaviorMonitoring' -ErrorAction SilentlyContinue).'AllowBehaviorMonitoring'; if (-not ($null -ne $v -and @(1) -contains [int64]$v)) { $bad += 'AllowBehaviorMonitoring=' + $v }; if ($bad.Count -eq 0) { 'compliant' } else { 'non-compliant: ' + ($bad -join ', ') }- Expected output
compliant
How it is fixed
Fix method: Guidance or infrastructure patch
To establish the recommended configuration via configuration profiles, set the following Settings Catalog path to Allowed. Turns on real-time behavior monitoring.. Defender\Allow Behavior Monitoring To establish the recommended configuration via Endpoint Security Blade: 1. Navigate to Endpoint Security 2. Click Antivirus 3. Click Create Profile 4. Select Windows for the Platform and Microsoft Defender Antivirus for Profile 5. Name the profile 6. Configure Allow Behavior Monitoring to Allowed. Turns on real-time behavior monitoring.
Properties
- Operating systems
- Any
- Tags
- intune-defenderintuneregistry
- Reference
- CIS Microsoft Intune for Microsoft Defender Antivirus Benchmark v1.0.0 - 2.2 Ensure 'Allow Behavior Monitoring' is set to 'Allowed'
Check this host
Run this on a machine you are allowed to audit. The scan is read-only.
tmaegis scan --target intune-defender