Control: 3.1.9.1 Ensure That Microsoft Defender for Resource Manager Is Set To 'On'

Description

Microsoft Defender for Resource Manager scans incoming administrative requests to change your infrastructure from both CLI and the Azure portal.

Scanning resource requests lets you be alerted every time there is suspicious activity in order to prevent a security threat from being introduced.

Remediation

From Azure Portal

1. Go to Microsoft Defender for Cloud.
2. Under Management, select Environment Settings.
3. Click on the subscription name.
4. Select the Defender plans blade.
5. Select On under Status for Resource Manager.
6. Select `Save.

From Azure CLI

Use the below command to enable Standard pricing tier for Defender for Resource Manager

az security pricing create -n 'Arm' --tier 'Standard'

From PowerShell

Use the below command to enable Standard pricing tier for Defender for Resource Manager

Set-AzSecurityPricing -Name 'Arm' -PricingTier 'Standard'

Default Value

By default, Microsoft Defender for Resource Manager is not enabled.