Security on the internet has become more important with each passing year. It seems like every other month there is a major data breach from major retailers or online properties. One of the key things that you can do to minimize the effect these breaches will have on you is to set up and use two-factor (or multi-factor) authentication.
Link: Two-factor authentication: Why do I need it? What are the best apps?
via http://www.iphonefirmware.com