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EPC and 4G Packet Networks, 2nd Edition by Catherine Mulligan, Magnus Olsson

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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 be intercepted by anyone within a certain range of the transmitter and with the technical skills and equipment to decode the signaling. There is thus a risk that the data that is transferred can be 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 end-users, there are also security aspects related to the ...

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