Defend Against Rogue RFID Readers

If you watch this episode of boing boing TV, you’ll probably be pretty scared for your information if you have any RFID-enabled cards in your wallet. The easiest way to defend against rogue RFID readers, without disabling the chip, is to surround your cards with materials that dampening magnetic fields. In the video, you see a stainless steel wallet, but any conductive material will work. So, you can simply line your wallet with tin foil or wrap your cards with tin foil and have a reasonable defense against rogue RFID readers.

For more drastic measures, you could always microwave your cards (dangerous!) or bang them with a hammer. That will render the RFID chip inoperable.

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