OK, “souls” is alliterative, but a bit over the top. How about instead “selling our bodies for security,” such as our retinas, our fingerprints, or our faces? Multifactor authentication is indeed a useful security access control, the combination of two or more of (1) something you know, (2) something you have, and (3) something you are. Thus, requiring both a password or PIN (something you know) and also a token or certificate (something you have) should be more secure than merely requiring a password.
The problem is that as biometric authentication becomes more widespread, our immutable characteristics are in play, in a when not if world of data breaches. Getting hacked can cause harm and embarrassment, but if biometric authentication becomes widespread, the post-breach “loss of face” will be literal … and also permanent. Continue Reading Selling our souls for security

