Passports and other ID cards incorporating radio chips can be remotely spied on, jammed and even copied, computer experts revealed at a major conference that ended on Sunday.

Radio frequency identification (RFID) technology uses a chip about the size of a grain of rice to send short range radio signals to scanners. It has been touted as a highly secure, simple way of to authenticate people and track objects.

Read the complete story here. (New Scientist)