* Model 2: Provide security in the Service Level once the channel is established, i.e. No Authorization is required, only Authentication is required

* Model 3: Provide security in the link level, before the channel is established, i.e. Both Authorization and Authentication are required.

While using Bluetooth if the user enables 'non-discoverable' mode, he will avoid connecting with other Bluetooth devices. There are three major threats involved using this technology:

* Bluejacking: Allow one Bluetooth user to send business card to other Bluetooth user within 10m. of radius

* Bluebugging: Allow hackers to access other's phone remotely and its feature.

* Car Whisper: Allow hackers to send audio to others and receive audio from others.

Using devices at home is a good way to avoid security breachs in public.

Conclusion

Bluetooth technology is already widely using in the industry as it has the ability to handle both voice and data transmission simultaneously. It is allowing the end users to enjoy a variety of technology innovation such as wireless printing and fax, hands-free headset, and synchronizing mobile and laptop. Future of the Bluetooth technology lies in providing quality of service, enabling high quality audio and video data transfer, providing greater bandwidth and greater distance in a highly secure environment.

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