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Hack the Prox Card

Jonathan Westhues has built a prox card cloner. Without any special hardware and no insider knowledge, he figured out the modulation system that the cards use, built a reader, and then built a “simulator.” Now he has a handheld device…

  • April 28, 2004

Jonathan Westhues has built a prox card cloner. Without any special hardware and no insider knowledge, he figured out the modulation system that the cards use, built a reader, and then built a “simulator.” Now he has a handheld device that can clone your card without your evening knowing it…

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