Container Registry must disable admin user

High Azure General acr-container-registry-disable-admin

Applies to

Microsoft.ContainerRegistry/registries

What CGPulse checks

A resource passes this rule when adminUserEnabled must equal false. Anything else is reported as a finding with the evaluated property value attached as evidence.

How to fix it

Disable the admin user and use Azure AD identities for scoped, auditable access. In Azure Portal: Container Registry > Access keys > disable Admin user. See: https://learn.microsoft.com/en-us/azure/container-registry/container-registry-authentication

Careful: Disabling admin user breaks CI/CD pipelines and Docker clients using admin credentials. Ensure all access uses service principals, managed identity, or RBAC tokens

CLI

az acr update --ids "{id}" --admin-enabled false

Terraform

resource "azurerm_container_registry" "{name}" {
  name                = "{name}"
  resource_group_name = "{rg}"
  location            = var.location
  sku                 = "Basic"
  admin_enabled       = false
}

Compliance frameworks

Vendor documentation

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