RFID dangers include security risks.
Radio Frequency Identification (RFID) tags are microchips that were first used in warehouses for inventory control. The tags react to radio frequency signals from a special hand-held device. A worker with a reading device could easily tell what crates contain what merchandise. More recently, the tags have been implanted in clothes, designer bags, and even in the bodies of pets and people. These convenient tags are starting to present some dangers.
Security
The U.S. Army was one of the earliest users of RFID technology--until they discovered how much easier the technology made it for foreign agents to see what was in a crate without opening the crate. The very thing that makes RFID technology great--the convenience--is also what makes it a security risk. Putting a tarpaulin over a crate or moving it into a warehouse or on board a boat does not hide the contents if there is an RFID tag. Radio frequency waves go through almost anything.
Protests
Prada is only one of the upscale designers that put RFID tags in its merchandise. The results that no one expected was the organized protests that ensued. Canadian automobiles had RFID chips installed during smog checks so automatic speeding tickets could be issued until the large protests changed their mind. There are a loud and growing group of citizens around the world who see RFID tags as "big brother" intrusion into their privacy.
Implants
RFID tags have been implanted in valuable pets and in children who run a high risk of being kidnapped. There are even experiments being conducted into implantable chip to automatically admit people into security areas. Implanted chips impose a double risk. The first risk is that anything implanted into the body may lead to infection or cancer. The second risk comes from the danger of some unauthorized person cutting out the chips for criminal reasons.
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