Passwords have been around since the early days of mainframe computing. Believe it or not, passwords were not originally designed to prove identity. The betting money is that computer passwords first showed up at the Massachusetts Institute of Technology in the mid-1960s in order to track time when using a mainframe computer: The Compatible Time-Sharing System (CTSS).
Today, passwords are used to help authenticate the identity of the computer user. From a security perspective, the problem is that people use crummy passwords, forget them and even reuse them across multiple systems. At the end of the day, if someone has . . . [more]