Social Engineering
Ya! This was one of the oldest trick to hack… Try to convince your user that you are a legitimate person from the system and needs your password for the continuation of the service or some maintenance. This won't work now since most of the users are now aware about the SCAM… But this Social Engineering concept is must for you to have to convince victim for many reasons…!!!
PandaSecurity.com: Why do people still fall for online scams?