Mobile devices and security
Generally, passwords are a better form of security than biometrics. There are a few well-known reasons for this: passwords can be changed, cannot be clandestinely observed, are harder to fake, and cannot be taken from someone unwillingly (eg: via government force, although one could quibble about extortion as a viable mechanism for such). A good password, used for access to a well-designed secure system, is probably the best known single factor for secure access in the world at present (with multi-factor including a password as the "gold standard"). Unfortunately, entering complex passwords is generally arduous and tedious, and doubly so on mobile devices. And yet, I tend to prefer using a mobile device for accessing most secure sites and systems, with that preference generally only increasing as the nominal security requirements increase. That seems counter-intuitive at first glance, but in this case the devil is in the details. I value "smart security"; that is, s...