Bluetooth wirelessly connects (or pairs) Internet of Things (IoT) devices—usually wireless peripherals such as ear-buds, speakers, watches, health monitors and location beacons—with host wireless devices such as smartphones or tablets. The limited physical distance between hosts and peripherals, unfortunately, has resulted in their cybersecurity being lax, according to Carl Gunter, a professor in the computer science department of the University of Illinois at Urbana-Champaign.
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