There exist numerous methods to authenticate a user to a system, but using only passwords continues to be the dominating choice [1, 2]. Under these circumstances, ideally, a user would have strong, unique passwords for each account that he or she has. However, this is an unrealistic expectation for the average human being. Thus largely, the general population uses a handful of weak passwords for all of their user accounts.[3, 4, 5, 6] [Read More]