Build it yourself:
https://github.com/ivanilves/ptu/
Or, one level down from that would be to audit that code and then trust that cloudport is building it as advertised and not injecting bad things into the binary before delivery.
Better still, imho, would be to provide users a way to do this that you (or IT) governs. That way, you discourage people from going out and finding their own (possibly unsafe) ways of doing it.