In an ever-expanding world of networked mobile devices, security threats -- and our ignorance of them -- are more widespread than ever. James Lyne of security firm Sophos believes that if we continue to ignore basic best practices, security is on a trajectory of failure.
 
A self-described geek, Lyne spends time ripping apart the latest gadgets and software, builds true random number generators out of tinfoil and smoke alarm parts, among other unlikely objects. But his gift lies in his ability to explain complicated concepts and abstract threats to diverse audiences around the world.