Future of Passwords

Today, most companies are either fighting the endless battle with users or are using one-time passwords. One-time passwords can be expensive but provide a nice alternative. With a one-time password, a user is given a device that generates a new password at certain time intervals, usually every minute. This device is keyed with the server, so that both devices generate the same password at the same time. Now, when a user wants to log on to the system, she looks at the display and types in the password. This works nicely because a user has a different password each time he logs on. Even if an attacker gets the password, it is only good for one minute.

In addition to time-based, one-time passwords, there are devices that support ...

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