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cis-azure-foundations-8.1.7.2

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Ensure That Microsoft Defender for Open-Source Relational Databases Is Set To 'On'

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8.1.7.2 Ensure That Microsoft Defender for Open-Source Relational Databases Is Set To 'On' (Automated)

Description

Turning on Microsoft Defender for Open-source relational databases enables threat detection for Open-source relational databases, providing threat intelligence, anomaly detection, and behavior analytics in the Microsoft Defender for Cloud.

Rationale

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

Impact

Turning on Microsoft Defender for Open-source relational databases incurs an additional cost per resource.

Audit Procedure

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. Click Select types > in the row for Databases.
  6. Ensure the toggle switch next to Open-source relational databases is set to On.

From Azure CLI:

az security pricing show -n OpenSourceRelationalDatabases --query pricingTier

From PowerShell:

Get-AzSecurityPricing | Where-Object {$_.Name -eq 'OpenSourceRelationalDatabases'} | Select-Object Name, PricingTier

Ensure output for Name PricingTier is OpenSourceRelationalDatabases Standard.

From Azure Policy:

  • Policy ID: 0a9fbe0d-c5c4-4da8-87d8-f4fd77338835 - Name: 'Azure Defender for open-source relational databases should be enabled'

Expected Result

The pricing tier for OpenSourceRelationalDatabases should be Standard.

Remediation

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. Click Select types > in the row for Databases.
  6. Set the toggle switch next to Open-source relational databases to On.
  7. Select Continue.
  8. Select Save.

From Azure CLI:

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

From PowerShell:

set-azsecuritypricing -name "OpenSourceRelationalDatabases" -pricingtier "Standard"

Default Value

By default, Microsoft Defender plan is off.

References

  1. https://learn.microsoft.com/en-us/azure/defender-for-cloud/alerts-overview
  2. https://learn.microsoft.com/en-us/rest/api/defenderforcloud/pricings/update
  3. https://learn.microsoft.com/en-us/powershell/module/az.security/get-azsecuritypricing

Profile

  • Level 2