31 Jul '17, 11pm

“Borrow” Payment Cards with NFC Proxy Hardware https://t.co/xK10yMIR0A

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. The talk , give on Sunday at DEF CON, outlined some incredibly simple hardware: an NFC antenna connected to a PN7462AU , an NRF24L01 wireless transceiver, and some power regulation. The exploit works by using a pair of these hardware modules. A master interfaces with the NFC reader, and a slave reads...

Full article: http://hackaday.com/2017/07/31/borrow-payment-cards-with-...

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