Classification of authentication methods according to security criteria

This category is currently the most widely used. It does not provide strong user authentication.

A password is said to be "static" (as opposed to dynamic) when it does not change from one transaction to the next. This is the case for most of the passwords we use every day. We memorize it and fill in the "password" field with the same value every time we're asked for it.

Line eavesdropping is one of the most effective attacks on both local corporate networks and the Internet. What's more, it's very difficult to detect. Weak passwords are the other major problem: good passwords are very difficult for users...