Privacy-Preserving Large-Scale Location Monitoring Using Bluetooth Low Energy

Zhuo Chen, Haibo Hu, Jielin Yu
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引用次数: 1

Abstract

Wearable devices such as smart watch and bracelets continually broadcast Bluetooth Low Energy (BLE) signals, which can be easily captured by monitoring devices such as WiFi routers and Bluetooth scanners. As more and more wearable devices emerge, unauthorized monitoring and tracking by adversary becomes great privacy threats not only in the cyberworld, but also in the physical world. To protect location privacy, this paper presents a real-life location monitoring system that is based on BLE privacy feature that changes the device physical address periodically. To enable users to better control their privacy level while still providing monitoring and tracking service to authorized parties (e.g., for child and elderly care), we extend BLE privacy by enriching its privacy semantics with a comprehensive set of metrics, such as simple opt-in/out, k-anonymity, and granularity-based anonymity. The system has been implemented and evaluated in terms of accuracy and user study.
基于蓝牙低功耗的保护隐私的大规模位置监控
智能手表和手环等可穿戴设备会持续播放蓝牙低功耗(BLE)信号,这些信号很容易被WiFi路由器和蓝牙扫描仪等监控设备捕获。随着越来越多的可穿戴设备的出现,攻击者未经授权的监控和跟踪不仅在网络世界中,而且在现实世界中都成为巨大的隐私威胁。为了保护位置隐私,本文提出了一种基于BLE隐私特性的实时位置监控系统,该系统周期性地改变设备的物理地址。为了使用户能够更好地控制他们的隐私级别,同时仍然向授权方(例如,儿童和老人护理)提供监控和跟踪服务,我们通过一组全面的指标来丰富其隐私语义,例如简单的选择加入/退出,k-匿名和基于粒度的匿名,从而扩展BLE隐私。该系统已经实施,并在准确性和用户研究方面进行了评估。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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