Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Azure Machine Learning uses a variety of Azure data storage services and compute resources when training models and performing inference. Each of these has their own story on how they provide encryption for data at rest and in transit. In this article, learn about each one and which is best for your scenario. For production grade encryption during training, Microsoft recommends using Azure Machine Learning compute cluster.