An anonymous reader writes: When in 2010 a team of computer scientists at Cambridge University demonstrated how the chip and PIN system used on many modern payment cards can be bypassed by making the POS system accept any PIN as valid, the reaction of the EMVCo and the UK Cards Association was to brand the attack as "improbable." After all, the researchers used a bulky tech setup that had to be carried around in a backpack but, as it ultimately turned out, a year later an engineer based in France found a less obvious way to perform the attack.
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