Solder a 0.3mm chip onto a credit card and Chip-and-PIN is yours to pwn

No one's exactly sure how fraudsters stole over $680,000 from hijacked chip-and-PIN credit cards in Belgium, because the cards are still evidence and can't be subjected to a full tear-down but based on the X-rays of the tampered cards, it's a good bet that the thieves glued a 0.3mm hobbyist FUN chip over the card's own chip, and programmed it to bypass all PIN entries. (more")