Security flaw allows eavesdroppers to listen in on the digital exchange of
data and determine the ID of the user
Bluetooth, the short-range wireless networking technology that will enable
mobile devices to communicate with each other, has a security flaw, according
to researchers at Lucent Technologies' Bell Labs in the US.
The researchers found that a flaw in the Bluetooth system allows eavesdroppers
to listen in on the digital exchange of information and determine the identity
of the user.
The flaw was in the protocol used by two devices to exchange a key.
According to Bell Labs, grabbing that key would be as easy as placing a
bugging device in the general area. The researchers, who are recommending that
the Bluetooth standard be changed, also said that it was possible to trace the
identity of the devices.
Bluetooth will let a variety of devices transmit information without the use
of wires over a distance of up to 30ft.
The Bluetooth Special Interest Group cleared one potentially embarrassing
hurdle recently when the French military agreed to change the frequency it uses
for radio communications. Had the military not backed down, individuals using
Bluetooth products in France would have been liable to fines and imprisonment.
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