An RFID tag hidden under a label

One of the many problems of RFID technology is that they can be hacked and used to spread viruses.

The device, which enables him to pass through security doors and activate his mobile phone, is a sophisticated version of ID chips used to tag pets. In trials, Dr Gasson showed that the chip was able to pass on the computer virus to external control systems. If other implanted chips had then connected to the system they too would have been corrupted, he said.

Mostly, this hasn't received a lot of attention to date because the computing power of RFID has historically been very low. But as the technology progresses, the consequences of not securing them properly becomes higher and higher.