Cosmos DB should use managed identity

Medium Azure General cosmosdb-managed-identity

Applies to

Microsoft.DocumentDB/databaseAccounts

What CGPulse checks

A resource passes this rule when identity.type must be set. Anything else is reported as a finding with the evaluated property value attached as evidence.

How to fix it

Enable managed identity to eliminate stored credentials and improve security. In Azure Portal: Cosmos DB > Identity > enable System-assigned managed identity. See: https://learn.microsoft.com/en-us/azure/cosmos-db/how-to-setup-managed-identity

CLI

az resource update --ids "{id}" --set identity.type=SystemAssigned

Terraform

resource "azurerm_cosmosdb_account" "{name}" {
  name                = "{name}"
  resource_group_name = "{rg}"
  location            = var.location
  offer_type          = "Standard"
  kind                = "GlobalDocumentDB"
  identity {
    type = "SystemAssigned"
  }
  consistency_policy {
    consistency_level = "Session"
  }
  geo_location {
    location          = var.location
    failover_priority = 0
  }
}

Compliance frameworks

Cloud Security BaselineIM-3

Vendor documentation

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