Chapter 7 Security
7.1 Introduction
Providing security is one of the key aspects of mobile networks. One of the more obvious reasons is that the wireless communication can easily be intercepted by anyone within a certain range of the transmitter. There is thus a risk that the data that is transferred is eavesdropped, or even manipulated, by third parties. There are also other threats, for example, an attacker may trace a user’s movement between radio cells in the network or discover the whereabouts of a specific user. This may constitute a significant threat to users’ privacy. Apart from security aspects directly related to the end-users, there are also security aspects related to the network operator and the service providers as well as ...
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