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Sun J, Howie D, Koivisto A & Sauvola J (2001)
A hierarchical framework model of mobile security.
Proc. 12th IEEE International Symposium on Personal, Indoor and Mobile Radio Communication, San Diego, CA,1:56 - 60.

As wireless communications and mobile multimedia services are booming nowadays, systematic research of the overall aspects of mobile security is crucial. This paper presents a framework model for guiding the systematic investigation of mobile security. Based on the introduction of some background viewpoints of security targets from a novel perspective, the framework is described as a hierarchical model in which mobile security research is partitioned into three different layers, including Property Theory, Limited Targets, and Classified Applications. Key research topics in each layer are discussed respectively in detail. In the Property Theory layer, some basic topics related to security are provided. Then, security issues in networks, computing, and multimedia processing are fused together in the Limited Targets layer upon the limitation operator of mobile technology. Finally, the Classified Applications layer proposes a brief categorization of mobile applications, and the security topics in one representative field, i.e. mobile E-commerce, are presented as an illustration.

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