In the BrowZine app new users at our institution are prompted with OpenAthens login. For some reason wrong username and password combinations are accepted.

Suggestion 1: validate Openathens credentials. Or even better: Suggestion 2: allow for OpenAthens personalisation:

https://support.thirdiron.com/forums/181845-browzine-features/suggestions/36781075-single-sign-on-openathens-authentication-for-browz