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McMahons Point, NSW, Australia – Oleg Petrovsky, senior software development engineer at Microsoft, is claiming that the micro-controller in an RFID tag may not be powerful enough to employ sophisticated means of a robust real-time encryption and may be susceptible to attacks.

"Most of the time an RFID reader is connected to some sort of database software to process data received from the tag. Once the tag is compromised it further opens possibilities for various scenarios of security breaches," he says.

When there is no internal power source in the RFID tag, RFIDs use a wire coil to pick up electromagnetic energy from a reader. Thus, the tag can be read or written to and can store identification information, as well as arbitrary information acting as a portable storage device used by a service application in any way it finds useful.

"Technically speaking, if a virus broadcasts itself utilizing a wireless data transfer protocol and another system accepts this transmission and transfers control to the received data, then we may have a case of an ‘airborne' infection," says Petrovsky.

Read the full story at securecomputing.com.

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