[dspillett]

No, but they do have their own VM/container(s) separate from all the other banks that use the same service, with persisted data in their own storage account with its own encryption keys, etc.

We deal with banks in DayJob - they have separate VMs/containers for their own UAT & training environments, and when the same bank that works in multiple regulatory jurisdictions they usually have systems servicing those separated too as if there were completely separate entities (only bringing aggregate data back together for higher-up reporting purposes).