Storage account blob encryption must be enabled

Critical Azure General storage-encryption

Applies to

Microsoft.Storage/storageAccounts

What CGPulse checks

A resource passes this rule when encryption.services.blob must equal true. Anything else is reported as a finding with the evaluated property value attached as evidence.

How to fix it

Enable blob encryption to protect stored data at rest from media compromise. In Azure Portal: Storage account > Encryption > verify blob encryption is enabled. See: https://learn.microsoft.com/en-us/azure/storage/common/storage-service-encryption

CLI

az storage account show --ids "{id}" --query "{encryption:encryption.services.blob.enabled}"

Terraform

resource "azurerm_storage_account" "{name}" {
  name                     = "{name}"
  resource_group_name      = "{rg}"
  location                 = var.location
  account_tier             = "Standard"
  account_replication_type = "LRS"
  # Blob and file encryption are enabled by default in azurerm provider
}

Compliance frameworks

Cloud Security BaselineDP-4
HIPAA: Health Information Protection164.312(c)(1)
SOC 2: Trust ServicesCC6.1

Vendor documentation

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