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2.1.7 Ensure That Microsoft Defender for Storage Is Set To 'On' (Manual)​

Profile Applicability​

• Level 2

Description​

Turning on Microsoft Defender for Storage enables threat detection for Storage, providing threat intelligence, anomaly detection, and behavior analytics in the Microsoft Defender for Cloud.

Rationale​

Enabling Microsoft Defender for Storage allows for greater defense-in-depth, with threat detection provided by the Microsoft Security Response Center (MSRC).

Impact​

Turning on Microsoft Defender for Storage 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 Storage resource type Plan should be set to On.

From Azure CLI​

Ensure the output of the below command is Standard

az security pricing show -n StorageAccounts

From Azure Powershell​

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

Ensure output for Name PricingTier is StorageAccounts Standard

Remediation​

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. On the line in the table for Storage Select On under Plan.
  6. Select Save

From Azure CLI​

Ensure the output of the below command is Standard

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

From Azure Powershell​

Set-AzSecurityPricing -Name 'StorageAccounts' -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