"Passwords are like the common cold: they induce headaches, no one is immune, and there is no cure in sight. But they are necessary in this era of digital data, where everything from paying bills to passing notes to sharing photos is done online through user accounts that require some proof that you really are who you say you are.
The need for passwords to be both easy to remember and difficult to guess poses what we all know as the password problem. "This is a horrible problem," said Bruce Schneier, chief technology officer of BT Counterpane, who has written about the situation on his own blog. "Passwords have largely outlived their usefulness." " – Content courtesy of Facing the pain of passwords | News – Security – CNET News.com