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Craig Silverman is a journalist and the founder of RegretTheError.com, a Web site compiling media errors that receives tens of thousands of visitors every month. He is a columnist for the Globe and Mail and for Hour, a Montreal weekly, and his writing has appeared in publications including The New York Times, the Montreal Gazette, and Editor & Publisher.
Michael Calce gained noteriety as the hacker Mafiaboy. He now uses his knowledge to help people and businesses protect themselves online.