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Set Microsoft Defender for App Services To 'On' (Manual)​

Profile Applicability​

• Level 2

Description​

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.

Audit​

From Azure Portal​

  1. Go to Microsoft Defender for Cloud
  2. Select Environment Settings blade
  3. Click on the subscription name
  4. Select the Defender plans blade
  5. Review the chosen pricing tier. For the App Service resource type Plan should be set to On.

From Azure CLI​

Run the following command:

az security pricing show -n AppServices

Ensure -PricingTier is set to Standard

From Azure Powershell​

Run the following command:

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

Ensure the -PricingTier is set to Standard

Remediation​

From Azure Portal​

  1. Go to Microsoft Defender for Cloud.
  2. Select Environment Settings.
  3. Click the subscription name.
  4. Select Defender plans.
  5. Set App Service Status to On.
  6. Select Save.

From Azure CLI​

Run the following command:

az security pricing create -n Appservices --tier 'standard'

From Azure Powershell​

Run the following command:

Set-AzSecurityPricing -Name "AppServices" -PricingTier "Standard"

References​

https://docs.microsoft.com/en-us/azure/security-center/security-center-detection-capabilities
https://docs.microsoft.com/en-us/rest/api/securitycenter/pricings/list
https://docs.microsoft.com/en-us/rest/api/securitycenter/pricings/update
https://docs.microsoft.com/en-us/powershell/module/az.security/get-azsecuritypricing
https://docs.microsoft.com/en-us/security/benchmark/azure/security-controls-v3-logging-threat-detection#lt-1-enable-threat-detection-capabilities

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