Product : Microsoft Corp, Azure Stack/1903, IaaS + PaaS
Feature : Encryption (Data in Transit), CIA, Security & Compliance
Content Owner:  Bhagyashri (Shri) Bhagvat
Summary
Data in transit is encrypted both at the infrastructure level and for external endpoints using TLS 1.2
Details
https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-security-foundations