Travelers Wallet

As if travelers didn’t have enough to worry about. In addition to money belts to help us hide passports and credit cards under our clothes, there’s now a whole new line of travel gear to protect the electronic data stored on those documents.

Take the Royce RFID-Blocking Passport Wallet. This attractive leather case, which retails for $34, is designed to protect travelers against identity theft.

Since 2007, all U.S. passports have been issued with a small electronic chip embedded in the back cover. The chip uses radio frequency identification (RFID) technology to store information, including all of the identifying data printed on the front page of your passport, as well as a biometric identifier — a digital image of the passport photograph that can be used for facial recognition technology when you cross international borders. The information in the chip is transmitted via radio waves when the passport is scanned by an RFID reader.

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Your passport may not be the only document you carry that has an RFID chip; many newer credit cards have them as well. (If you’re not sure, look for the term “PayPass” printed on your MasterCard, “expresspay” on your AmEx or “payWave” on your Visa — or call your credit card company.)

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The rise in RFID technology has raised concerns about just how securely these chips store our information. Anyone with an RFID reader who gets close enough to the chip would in theory be able to read the embedded data — including card numbers and expiration dates — even through clothing or a purse.

Does this mean you should race out and purchase an RFID-blocking wallet? Not necessarily. The U.S. State Department offers a detailed description of the security features of its electronic passports here, which explains that the passports themselves have RFID-blocking metal built into the cover — so the chip can’t be read unless the passport is opened.

I think a protective wallet would be more useful for credit cards, which seem to be at greater risk for data skimming. The cheapskates among us can also block RFID readers by wrapping their cards in aluminum foil — if you’re willing to lose a few style points.