Privacy, legals keep cloud at bay PRIVACY and legal issues, rather than technical challenges, are the biggest hurdles for university IT departments contemplating a move to the cloud. Griffith University, which has switched to Google for mail and document sharing applications, said the move had attracted the inevitable complaints over things being different. But getting the legals over the line had been the most challenging part of the whole project, according to Griffiths head of collaboration and IT access, John Scullen.