网络空间用户数据汇集引发的隐私问题及其对策
Privacy Concerns Raised by Pervasive User Data Collection From Cyberspace and Their Countermeasures
摘要：
几十年来，建立在互联网技术基础上的称为“网络空间”的虚拟空间一直服务于人们的日常生活。现在，它提供先进的服务和连接的经验与发展中的普适计算技术，数字化，收集和分析用户的活动数据。这改变了收集用户信息的方式，并影响了传统网络空间网关的用户隐私，包括用户日常使用的设备。这项工作调查的影响和调查的隐私问题所造成的数据汇集，即身份跟踪浏览活动，用户输入数据披露，在移动设备中的数据可访问性，微妙的数据传输的安全性，隐私参与感测，并在机会网络中的身份隐私。根据上述影响，在明确界定的范围内讨论了每一项调查的隐私问题。并对现有的对策进行了综述和讨论，指出了相应的研究差距。为了完成的观点，三个复杂的开放问题，即轨迹隐私，智能计量中的隐私，和非自愿的隐私泄漏与环境智能，简要讨论了未来的研究方向之前，我们的调查在最后一个简洁的结论。
英文摘要：
The virtual dimension called `Cyberspace' built on internet technologies has served people's daily lives for decades. Now it offers advanced services and connected experiences with the developing pervasive computing technologies that digitise, collect, and analyse users' activity data. This changes how user information gets collected and impacts user privacy at traditional cyberspace gateways, including the devices carried by users for daily use. This work investigates the impacts and surveys privacy concerns caused by this data collection, namely identity tracking from browsing activities, user input data disclosure, data accessibility in mobile devices, security of delicate data transmission, privacy in participating sensing, and identity privacy in opportunistic networks. Each of the surveyed privacy concerns is discussed in a well-defined scope according to the impacts mentioned above. Existing countermeasures are also surveyed and discussed, which identifies corresponding research gaps. To complete the perspectives, three complex open problems, namely trajectory privacy, privacy in smart metering, and involuntary privacy leakage with ambient intelligence, are briefly discussed for future research directions before a succinct conclusion to our survey at the end.
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