Security in Public Mobile Communication Networks

Introduction The increasing use of mobile communication networks results in ever more stringent security requirements. In an information society, availability, integrity and confidentiality are essential. Especially the provision of the latter is hard to demonstrate. If someone or some component is able to collect and store personal data, one cannot be sure that this data is not gathered and not (mis)used. But this "being sure" is essential with respect to privacy and data protection. Therefore, legal means alone are insufficient and have to be complemented by technical means we are going to describe in the sequel. This first part is introductory and reflects the structure of future mobile communication networks. When users communicate in such networks there is much data generated which needs to be handled in a secure way. We present data protection and security requirements which we believe are the strongest ever presented. 1.1 Structure of Future Mobile Telecommuni