hackers use a laptop which scans to find Bluetooth-compatible phones which can then be targeted.
For example, phone makers like Nokia have been updating the software in their handsets to prevent bluesnarfing.
Austrian IT-security researcher Martin Herfurt conducted bluesnarfing experiments at CeBIT 2004, a heavily attended computer exhibition held annually in Germany.
The problem with bluesnarfing goes far beyond loss of privacy, Laurie explains.
Hackers can download confidential phone numbers, diary entries and even photos from up to 87 yards away using a technique called Bluesnarfing.
With Bluesnarfing, also called Bluejacking, hackers use a laptop which scans to find Bluetooth-compatible phones which can then be targeted.