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CloudSploit

AZURE / Security Center / Monitor Disk Encryption

Quick Info
Plugin Title Monitor Disk Encryption
Cloud AZURE
Category Security Center
Description Ensures Disk Encryption monitoring is enabled in Security Center
More Info When this setting is enabled, Security Center audits disk encryption in all virtual machines to enhance data at rest protection.
AZURE Link https://docs.microsoft.com/en-us/azure/security-center/security-center-policy-definitions
Recommended Action Enable Adaptive Application Controls for Disk Encryption from the Azure Security Center by ensuring AuditIfNotExists setting is used for virtual machines.

Detailed Remediation Steps

  1. Log into the Microsoft Azure Management Console.
  2. Select the "Search resources, services, and docs" option at the top and search for Security Center.
  3. Scroll down the "Security Center" and select the "Security policy" option under the "Management" on left navigation panel.
  4. On the "Policy Management" page under "Name" column select the "Subscription Name" that needs to be verified.
  5. In the "Security Policy" page scroll down and click on the "Azure Security Benchmark".
  6. In the "Azure Security Benchmark" click on the Next button.
  7. In the "Azure Security Benchmark", check for the "Disk encryption should be applied on virtual machines" Parameter and if it's set to "Disable" then the encryption is not enabled.
  8. Repeat steps number 2 - 7 to check other "Subscriptions" under the "Security Center."
  9. Navigate to the "Security Center", select the "Security policy" and under "Policy Management" select the "Subscription" that needs to enable the "Disk Encryption monitoring."
  10. In the "Security Policy" page scroll down and click on the "Azure Security Benchmark" and click on the "Next" button.
  11. Scroll down the page and under "Parameter" choose the "Disk encryption should be applied on virtual machines" and select the "AuditIfNotExists" option from the dropdown menu and click on the "Save" button at the bottom to make the necessary changes.
  12. Repeat steps number 9 - 11 to ensures "Disk Encryption monitoring" is enabled in Security Center.