It's been known for some time that there are security issues associated with the increasing use of RFID tags in credit cards, but this past weekend afforded a fresh demonstration of just how easy it is for hackers to take advantage of them.
Onstage at the Shmoocon hacker conference in Washington, D.C., Recursion Ventures security researcher Kristin Paget used about $350 in equipment to wirelessly read a volunteer's RFID-enabled credit card and then encode its key data onto a blank card, as described Monday by Forbes.

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