There are three types of authentication

http www emergentchaos com images 07 jan cut finger jpg

They are:

Something you've lost,

Something you've forgotten, and

Something you used to be.

Here is a sad tale of a man who has a failure on (3), realizes he's done (2), and his solution to the problem. It's a classic tale of how more is often less when it comes to security. Lest you think it, I am not making fun of his solution to the problem.

The sad part is that he thinks the problem is dependence on technology, when in fact it is the inappropriate use of technology, and the "ooo, shiny" technolust making you think that something is a good idea when it isn't. Other cases include electronic voting machines, RFID passports, airport fast-track systems, and so on.

photo courtesy of split-ends.