Redis Cache should use managed identity

Medium Azure General redis-managed-identity

Applies to

Microsoft.Cache/redis

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: Redis Cache > Identity > enable System-assigned managed identity. See: https://learn.microsoft.com/en-us/azure/azure-cache-for-redis/cache-managed-identity

CLI

az redis identity assign --ids "{id}" --mi-system-assigned

Terraform

resource "azurerm_redis_cache" "{name}" {
  name                = "{name}"
  resource_group_name = "{rg}"
  location            = var.location
  capacity            = 1
  family              = "C"
  sku_name            = "Basic"
  identity {
    type = "SystemAssigned"
  }
}

Compliance frameworks

Cloud Security: Azure Foundations

Vendor documentation

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