RFID credit cards are considered safe to use, and credit card fraud using RFID readers is rare and difficult to do.

If you’ve worked with passive RFID before, you know that most readers only work within inches of the card. In [Fran’s] DEFCON talk this summer he calls it the “ass-grabbing method” of ...

Credit cards and ID badges have to be brought fairly close to the readers, somewhat like barcodes. For other applications, passive RFID tags can be read up to approximately 10 feet away ...

To create a paper RFID sniffer, you start by printing the image out on a thick piece of paper, like card stock. You then apply foil tape where indicated to serve as traces in this makeshift PCB ...

A wallet that prevents readers from accidentally picking up the data in RFID-based credit cards and ID cards that are in the wallet. A home-made version can also be created using aluminum foil and ...

However, one segment promises long-term relevance: RFID-blocking wallets ... It uses a tag (e.g., on your credit card or ...