12 "White Hat" hackers you should know

These IT security experts go looking for trouble and find it

The "White Hat" angle: Like Rutkowska, researcher Sparks has made rootkits and stealth malware her pursuit, and at one Black Hat Conference showed how operating system-independent rootkits, such as the proof-of-concept System Management Mode-based rootkit she built with colleague and co-founder Shawn Embleton, could be used to subvert and compromise computer networks.

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