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Description

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

Rationale​

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

Impact​

Enabling Microsoft Defender for Resource Manager requires enabling Microsoft Defender for your subscription. Both will incur additional charges.

Audit​

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. Ensure Status is set to On for Resource Manager.

From Azure CLI​

Ensure the output of the below command is Standard:

az security pricing show -n 'Arm' --query 'PricingTier'

From Azure PowerShell​

Get-AzSecurityPricing -Name 'Arm' | Select-Object Name,PricingTier

Ensure the output of PricingTier is Standard.

From Azure Policy​

If referencing a digital copy of this Benchmark, clicking a Policy ID will open a link to the associated Policy definition in Azure.

Default Value​

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

References​

  1. https://docs.microsoft.com/en-us/azure/defender-for-cloud/enable-enhanced-security
  2. https://docs.microsoft.com/en-us/azure/defender-for-cloud/defender-for-resource-manager-introduction
  3. https://azure.microsoft.com/en-us/pricing/details/defender-for-cloud/
  4. https://docs.microsoft.com/en-us/azure/defender-for-cloud/alerts-overview
  5. https://learn.microsoft.com/en-us/security/benchmark/azure/mcsb-logging-threat-detection#lt-1-enable-threat-detection-capabilities