In FME 2023, we do not have the ability to integrate Password parameters/encrypted parameters into conditional visibility.
If, for example, you have a public facing web app, which might have additional functionality for a developer who has a certain admin password, there is no way to build in conditional visibility to access the admin parameters with a encrypted password. There is a unsecure workaround which I have attached as an example, which uses an unencrypted text field to achieve the same result, however this feels like it would be quite dangerous to rely upon.
It would be amazing if encrypted values/passwords could be integrated into the conditional visibility parameter functionality to allow us to create more secure web apps.
This idea was developed whilst creating a webinar on Conditional Visibility Parameters for 1Spatial UK.


