Information
Turning on Microsoft Defender for App Service enables threat detection for App Service, providing threat intelligence, anomaly detection, and behavior analytics in the Microsoft Defender for Cloud.
Rationale:
Enabling Microsoft Defender for App Service allows for greater defense-in-depth, with threat detection provided by the Microsoft Security Response Center (MSRC).
Impact:
Turning on Microsoft Defender for App Service incurs an additional cost per resource.
Solution
From Azure Portal
Go to Microsoft Defender for Cloud
Select Environment Settings
Click on the subscription name
Select Defender plans
Set App Service Status to On
Select Save
From Azure CLI
Run the following command:
az security pricing create -n Appservices --tier 'standard'
From PowerShell
Run the following command:
Set-AzSecurityPricing -Name 'AppServices' -PricingTier 'Standard'
Default Value:
By default, Microsoft Defender plan is off.