首页> 外文会议>VLDB Workshop on Secure Data Management(SDM 2005); 20050902-03; Trondheim(NO) >Information SeeSaw: Availability vs. Security Management in the UbiComp World
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Information SeeSaw: Availability vs. Security Management in the UbiComp World

机译:信息跷跷板:UbiComp世界中的可用性与安全管理

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摘要

The ubiquitous computing vision brings about a number of information security and privacy challenges, some of which we already face in the mobile computing arena. This work focuses on a context-specific class of information leakage threats not involving a malicious custodian. Information exposure threats arise as a side effect of a particular choice of data management procedures employed during legitimate information use or possession in a specific context. They affect, in different forms, information throughout its lifetime in a ubiquitous computing environment. To maximize information availability, and thus its value to user, under unpredictably varying threat models, we depart form static and inflexible approaches to secure data management to provide for continuous and adaptive information exposure protection. We outline a means of structured reasoning about information exposure and introduce a metric for its quantification. An approach to threat mitigating information management operations discrimination based on information utility change is also presented. To unify the introduced concepts into a coherent big picture we form a Levels of Exposure model. On the implementation side, we overview a type aware, sub-file granularity data repository system that meets the requirements implied in the paper.
机译:无处不在的计算愿景带来了许多信息安全和隐私挑战,其中一些我们已经在移动计算领域面临。这项工作的重点是不涉及恶意保管人的特定于上下文的信息泄漏威胁类别。信息暴露威胁是在特定情况下在合法信息使用或拥有期间特定选择的数据管理程序的副作用而产生的。在无处不在的计算环境中,它们以不同的形式影响信息的生命周期。为了在不可预测的变化威胁模型下最大化信息可用性,从而为用户带来最大价值,我们采用静态和不灵活的方法来保护数据管理,以提供连续和自适应的信息暴露保护。我们概述了一种关于信息暴露的结构化推理的方法,并介绍了对其量化的度量。还提出了一种基于信息效用变化的威胁缓解信息管理操作歧视的方法。为了将引入的概念统一成一个连贯的全局,我们形成了“暴露水平”模型。在实现方面,我们概述了一种可感知类型的子文件粒度数据存储库系统,该系统可满足本文所隐含的要求。

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