FourthAge writes: "Federal agents at the Defcon 17 conference were shocked to discover that they had been caught in the sights of an RFID reader connected to a web camera. The reader sniffed data from RFID-enabled ID cards and other documents carried by attendees in pockets and backpacks. The "security enhancing" RFID chips are now found in passports, official documents and ID cards. "For $30 to $50, the common, average person can put [a portable RFID-reading kit] together," said security expert Brian Marcus, one of the people behind the RFID webcam project. "This is why we're so adamant about making people aware this is very dangerous.""
The UNIX philosophy basically involves giving you enough rope to
hang yourself. And then a couple of feet more, just to be sure.