Recurring verification of interaction authenticity within bluetooth networks

Abstract

Although user authentication has been well explored, device-todevice authentication -specifically in Bluetooth networks -has not seen the same attention. We propose Verification of Interaction Authenticity (VIA) -a recurring authentication scheme based on evaluating characteristics of the communications (interactions) between devices. We adapt techniques from wireless traffic analysis and intrusion-detection systems to develop behavioral models that capture typical, authentic device interactions (behavior); these models enable recurring verification of device behavior. To evaluate our approach we produced a new dataset consisting of more than 300 Bluetooth network traces collected from 20 Bluetooth-enabled smart-health and smart-home devices. In our evaluation, we found that devices can be correctly verified at a variety of granularities, achieving an F1-score of 0.86 or better in most cases. CCS CONCEPTS• Security and privacy → Mobile and wireless security; Intrusion detection systems; Multi-factor authentication.

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“…Peters et al 7 proposed VIA (Verification of Interaction Authenticity), which is a protocol for verifying the authenticity of communications between different devices that are used over and over again. VIA is based on evaluating the ways in which devices talk to each other or interact.…”