Once again, we learn that authentication based on sight alone is not the only game in town. A company called PhoneFactor delivers a two-factor authentication scheme in which the second piece of authentication material is literally your telephone. In simple terms, here’s how it works:

  1. Supply your traditional username and password as prompted.
  2. Your telephone rings.
  3. Press the pound sign!
  4. That’s all there is to it!

The potential of this solution to deliver security while ensuring accessibility for people with disabilities simply can’t be ignored!