Category Archives: China UnionPay

“Borrow” Payment Cards with NFC Proxy Hardware

Contactless payments are growing in popularity. Often the term will bring to mind the ability to pay by holding your phone over a reader, but the system can also use NFC tags embedded in credit cards, ID card, passports, and the like. NFC is a reasonably secure method of validating payments as it employs encryption and the functional distance between client and reader is in the tens of centimeters, and often much less. [Haoqi Shan] and the Unicorn team have reduced the security of the distance component by using a hardware proxy to relay NFC interactions over longer distances.

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Posted in Apple Pay, China UnionPay, cons, contactless, contactless payment, DEF CON, defcon 25, NFC, nRF24L01+, PN7462AU, proxy, Quickpass, Unicorn Team, wireless hacks | Leave a comment