When most people think of bluetooth, they tend to think of hand held devices, or a head set for communicating via an internet connection. Alot of people have (especially on newer computers/laptops) built in bluetooth, but never use it, and the constant news reports of bluesnarfing or bluebugging have put a lot of people off using it.
Bluetooth never really took off in they way it was expected to, but it is more adaptable that people actually think. It can be used to set up network etc; However its main design and function of for PAN (personal area network).
However bluetooth is not as easy to breech as you would think. There are what are called "cell phone worms", this worm with either copy your phonebook, or delete everyting. Although you have to remember that you can always turn your bluetooth off.
Bluetooth has such a short range, any hacker will have to be withing 10 meters or 33 feet away from you.
It's not a major security issue, but if you don't feel happy using it, just turn it off. If you have it on your cell phone, just turn it off if you are not going to be using it.
If you need more information contact your cell phone network provider, your internet service provider or the hardware supplier.
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