Licensing and activation data inTransit between Microsoft and the client PC - encryption

 

Situation:

For the licensing of Office 365 Pro Plus we need a connection to the Microsoft server.

https://docs.microsoft.com/en-us/DeployOffice/licensing-and-activation-data-sent-to-office-365-by-office-365-proplus

 

Does someone know how the encryption level of the connection between the client PC and the Microsoft licensing server?