The API for MongoDB now offers a built-in role-based access control (RBAC) that allows you to authorize your data requests with a fine-grained, role-based permission model. Users and roles residing within your database and can be managed using the Azure CLI, Azure PowerShell, or Azure Resource Manager. With this feature, you can audit each of the user’s actions via the Azure Cosmos DB diagnostic logs. Using this role-based access control (RBAC) allows you access with more options for control, security, and auditability of your database account data.
Learn more.