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Virtual machine unattached disk is not encrypted Affecting Compute service in Azure

Severity

0.0
medium
0
10
    Severity Framework
    Snyk CCSS
    Rule category
    Data / Encryption at Rest

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    Frameworks
    CIS-Azure CIS-Controls CSA-CCM GDPR HIPAA ISO-27001 NIST-800-53 SOC-2
  • Snyk ID SNYK-CC-00662
  • credit Snyk Research Team
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Description

Encrypting the virtual machine's disks ensures that its entire content is fully unrecoverable without a key and thus protects the volume from unwarranted reads.

How to fix?

Set the disk_encryption_set_id attribute to a valid disk encryption set ID, and encryptionSettingsCollection to enabled.

Example Configuration

        {
          "type": "Microsoft.Compute/disks",
          "apiVersion": "2022-07-02",
          "name": "allowed",
          "location": "[resourceGroup().location]",
          "sku": {
            "name": "Standard_LRS"
          },
          "properties": {
            "creationData": {
              "createOption": "Empty"
            },
            "dataAccessAuthMode": "AzureActiveDirectory",
            "diskSizeGB": "128",
            "encryption": {
              "diskEncryptionSetId": "/subscriptions/<subscriptions id >/resourceGroups/<resourceGroups name>/providers/Microsoft.Compute/diskEncryptionSets/662-diskset",
              "type": "EncryptionAtRestWithCustomerKey"
            }
          }
        },
       {
          "type": "Microsoft.Compute/disks",
          "apiVersion": "2022-07-02",
          "name": "allowed_2",
          "location": "[resourceGroup().location]",
          "sku": {
            "name": "Standard_LRS"
          },
          "properties": {
            "creationData": {
              "createOption": "Empty"
            },
            "dataAccessAuthMode": "AzureActiveDirectory",
            "diskSizeGB": "128",
            "encryptionSettingsCollection": {
              "enabled": "true",
              "encryptionSettings": [
                {
                  "diskEncryptionKey": {
                    "secretUrl": "<KeyVault secretURL>",
                    "sourceVault": {
                      "id": "/subscriptions/<subscriptions id >/resourceGroups/<resourceGroups name>/providers/Microsoft.KeyVault/vaults/keyvault-662"
                    }
                  }
                }
              ]
          }
       }
    }