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Spoofing Magnetic Swipe Cards
Posted March 14, 2012 by Chris
“Basically, a card stripe contains a certain sequence of magnetic fields which the reader detects as you swipe the card through it. The basis of all the card-spoofing circuits is to make some kind of electromagnet, put it next to the read-head and manipulate the magnetic field in just the right way to mimic a card.”
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