Researchers have discovered a vulnerability in Bluetooth’s authentication protocols which, if properly executed, could allow an attacker to conduct a man-in-the-middle attack between two paired devices.

This could see an adversary intercept and alter files while they’re in transit, as well as potentially listening in on conversations conducted via Bluetooth. Researchers from Oxford University, the Singapore University of Technology and Design, and CISPA Helmholtz Center for Information Security discovered the attack, which has since been dubbed KNOB, which is short for “Key Negotiation of Bluetooth. ” (You, in the back. Stop laughing. This is serious. ) The thrust of the KNOB attack…

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