Stefan "ionic" Esser

Lectures / Workshops:

Xbox Software Hacking


Stefan "ionic" Esser is a 24 years old student of computer science (+economy) at the univerity of Cologne. Since the age of 8, he has been an enthusiastic programmer and reverse engineer. His special subjects include "Runtime Encryption of Executable Binaries" and looking for security holes in open source software. He is a founder member of the PHP Security TeamsSince April 2003, he has been sacrificing a major part of his free time to the search for security holes on the Xbox system software. He is the author of the "Dashboard" hack.

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