The magnetic elements in the magstripe attract the iron oxide and after pulling it out, you can actually see each bit in the tracks. In the video, I actually dip my credit card into a bag of iron oxide. What's so cool about magstripes is that while the magnetic strips inside are weak, they're still strong enough to attract small ferrous particles and wide enough that we can fully extract all data from a magstripe or credit card with the naked eye.
Magnetic stripes (magstripes) are in fact magnetic. Live demonstration and more details available in the video: MagSpoof can be used as a traditional credit card and simply store all of your credit cards (and with modification, can technically disable chip requirements) in various impressive and exciting form factors, or can be used for security research in any area that would traditionally require a magstripe, such as readers for credit cards, drivers licenses, hotel room keys, automated parking lot tickets, etc. MagSpoof does allow you to perform research in other areas of magstripes, microcontrollers, and electromagnetism, as well as learn about and create your own devices similar to other existing, commercial technologies such as Samsung MST and Coin. Simply having a credit card number and expiration is not enough to perform transactions. The Chip-and-PIN and Amex information is not implemented and using MagSpoof requires you to have/own the magstripes that you wish to emulate. Note: MagSpoof does not enable you to use credit cards that you are not legally authorized to use. It can work "wirelessly", even on standard magstripe/credit card readers, by generating a strong electromagnetic field that emulates a traditional magnetic stripe card.
Easy to build using Arduino or other common partsīy is a device that can spoof/emulate any magnetic stripe or credit card.Supports all three magnetic stripe tracks, and even supports Track 1+2 simultaneously.Correctly predicts Amex credit card numbers + expirations from previous card number (code not included).Works on traditional magstripe readers wirelessly (no NFC/RFID required).Allows you to store all of your credit cards and magstripes in one device.Samy Kamkar: MagSpoof - credit card/magstripe spoofer MagSpoof - "wireless" credit card/magstripe spoofer
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