A frontier world of applicable security projects needing machine learning

My next project? Hobby Hacker? Passwords and machine learning?

Large providers already use many other input signals including the source IP address, browser information and user agent string, cookies cached on the browser, the time of the login and the number of incorrect password guesses. More factors can be added over time: more complex behavioral profiles of users, cryptographic means to identify browsers like origin-bound certificates, one-time codes sent by SMS or generated by a mobile device, or perhaps lightweight biometrics like typing dynamics. Read more: http://www.lightbluetouchpaper.org/2012/12/14/authentication-is-machine-learning/