ABSTRACT
Radio frequency identification device (RFID) chips are used everywhere. A number of examples can be quoted where RFID technology has been implemented—companies and laboratories use them as access keys, to start their cars, and as inventory tracking devices. RFID chips that are used to track product shipments or expensive equipment, for example, often contain pricing and item information. In a library, destroying the data on the books’ passive-emitting RFID tags is possible by wandering the aisles with an off-the-shelf RFID reader–writer and a laptop. RFID has been implemented in different ways by different manufacturers; global standards are being developed and interoperability is a serious issue. RFID systems make use of the electromagnetic spectrum; they are relatively easy to jam by employing energy at the right frequency. Active RFID tags can be repeatedly interrogated to wear the battery down, thus disrupting the system.
