EXALATE 4.X
In Exalate 4.x, there is no need to share access credentials anymore, even if your instance requires authentication.
Starting from 4.0.0 version in the Exalate app for JIRA Server, 4.1.0 in the Exalate app for JIRA Cloud and 2.0.0 in the Exalate app for HP QC/ALM, Exalate is using a new security approach.
Below you can find answers to the most common security questions.
See Also
How is the data secured on the Exalate server for Jira Cloud?
DATA SECURITY AND PRIVACY STATEMENT
private / public issue synchronization