You already have a passport with RFID? If not many will have soon. The problem: security experts think that the data can easy be stolen with a hidden reader. Clever people can make strange things with your personal data.

So here is an easy answer via the RFID weblog: The RFID blocking passport cover.

DIRFWear has come out with a line of what they call "Faraday Caged Apparel." The term comes from the concept of a Faraday Cage, which is a well-established device for blocking radio frequency signals from passing through it.

The company ships worldwide.

The RFID Weblog: RFID Blocking Passport Cases