12 "White Hat" hackers you should know

The "White Hat" angle: This brainy Polish researcher has made it an obsession to figure out how stealth malware, such as rootkits, can be so well hidden in software and hardware that few are ever likely to find it. Her "Blue Pill" attack against Microsoft's Vista kernel protection mechanism, which brought a crowded room of security geeks at Black Hat to a standing ovation in 2006, was just her first revelation publicly to show how easy it is for dangerous code to hide in plain sight.