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2.1.1 Ensure That Microsoft Defender for Servers Is Set to 'On' (Manual)​

Profile Applicability​

• Level 2

Description​

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

Rationale​

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

Impact​

Turning on Microsoft Defender for Servers in Microsoft Defender for Cloud 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 Servers resource type Plan should be set to On.

From Azure CLI​

Run the following command:

az security pricing show -n VirtualMachines --query pricingTier

If the tenant is licensed and enabled, the output should indicate Standard

From Azure Powershell​

Run the following command:

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

If the tenant is licensed and enabled, the -PricingTier parameter will indicate 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 Servers Select On under Plan.
  6. Select Save

From Azure CLI​

Run the following command:

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

From Azure Powershell​

Run the following command:

Set-AzSecurityPricing -Name 'VirtualMachines' -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-endpoint-security#es-1-use-endpoint-detection-and-response-edr