As more and more credit cards and other documents come equipped with RFID tags—the tiny radio-frequency identification chips that beam your account or ID info to readers used by various services (public transportation, toll road fees, etc)—the more speculation has surfaced on how malicious ID thieves could potentially use similar readers to lift your personal data without your knowledge. Thankfully, it's pretty simple to keep your info protected right in your wallet. Web editor Megan Miller demonstrates above. —John Mahoney
The incredible innovations, like drone swarms and perpetual flight, bringing aviation into the world of tomorrow. Plus: today's greatest sci-fi writers predict the future, the science behind the summer's biggest blockbusters, a Doctor Who-themed DIY 'bot, the organs you can do without, and much more.


Online Content Director: Suzanne LaBarre | Email
Senior Editor: Paul Adams | Email
Associate Editor: Dan Nosowitz | Email
Assistant Editor: Colin Lecher | Email
Assistant Editor: Rose Pastore | Email
Contributing Writers:
Kelsey D. Atherton | Email
Francie Diep | Email
Shaunacy Ferro | Email
It would be good if you could show that this actually works. Take it to your local RFID scanner and record what happens when your card is inside the wallet versus when it is outside the wallet.
I tried this. I have to admit, I was very sceptical when I watched the video. My work ID badge is embedded with an RFID to get me through the security doors. I've just kept the card in my wallet and have been able to just lean up to the scanner by the door. With the foil liner in my wallet, the scanner did not detect my card at all, and I had to actually remove the card from my wallet to scan in. I was very impressed that such a simple solution could provide such an effective level of protection. Thanks.