Christopher C. Wills

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This paper describes the CDRAS (Call Detail Records Analysis System) system, the motivation behind it, its approach and its background. The system aims at dealing with the notorious Man-in-the-Middle attack in the context of VoIP. As the use of such a system constitutes leads to an interference with the privacy of users, the most relevant legal aspects(More)
The goal of the research described in this paper is to identify challenges related to the successful implementation of information security policies and to develop an approach for overcoming them. Based on an analysis of the literature and the results of interviews with domain experts in the telecommunications industry, a framework for addressing the(More)
This paper tries to give an overview of the rising concerns raised by the issue of privacy protection that is associated with the European Data Retention Directive. After relating this risk to the requirements as stated in the European Data Protection Directive, an approach for a security-integrated view on the design of information systems is discussed.(More)
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