We are looking into sharing GDrive outside our domain - currently Docs, Sheets and anything eles stored on GDrive can only be shared amongst users within our domain.
The thing is Google control panel does not allow one to set diferent permissions for diferent groups or users, it is either everybody or nobody, which of course we do not want.
I found a solution called Flash Panel which allows this level of control and auditing and much more.
Has anyone had any expeience with this?