Amazon Web Services support
Public data files hosted in Amazon S3 buckets can be loaded into IGV using https URLs.
Authenticated access using s3:// urls is supported by either (1) enabling OAuth access with Cognito using the UMCCR contributed AWS configuration option, or (2) setting AWS credentials and region information as described here and here.
For more details on using Cognito for OAuth access, see the UMCCR documentation on the backend and frontend for a provisioning URL step by step guide.