Basic Bluetooth security
Bluetooth security implementation revolves around making devices as well as services offered by them secure. This is a continuous effort that is being undertaken by the manufacturers of devices that use Bluetooth.
For example, between devices, there are two levels, "trusted device" and "untrusted device". A trusted device, having been paired with one's other device, has unrestricted access to all services offered by the latter.
By Azhar Abu Bakar at Red Nova.
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