Security Study and Monitoring of LTE Networks

Mobile communication systems are ubiquitous nowadays. The main requirements of these networks are privacy and security of the subscriber as well as a high performance. To provide these properties the 3GPP (Third Generation Partnership Project) developed the LTE (Long Term Evolution) mobile communica...

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Bibliographic Details
Published in:Journal of ICT Standardization 2019, Vol.7 (1), p.43-60
Main Authors: Ernsberger, Dominik, George, K. Jijo, Arumugam, Sivabalan
Format: Article
Language:English
Subjects:
3G mobile communication
Communications networks
Floods
Mobile communication systems
Radio communications
Security
Wireless communications
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Summary:Mobile communication systems are ubiquitous nowadays. The main requirements of these networks are privacy and security of the subscriber as well as a high performance. To provide these properties the 3GPP (Third Generation Partnership Project) developed the LTE (Long Term Evolution) mobile communication network which is deployed worldwide.In this paper, we give a brief overview of the LTE Network Architecture as well as a look on the security mechanism as defined by 3GPP. We describe the security architecture and discuss possible threats and attacks on the core and on the access network. Due to these possible attacks we developed a program which is able to extract certain security relevant information out of the message flow in real time and to detect a possible attach flood attack. Finally, we validate the function of the program with three test cases and discuss the impact of such flood attacks on the LTE network and other future work to extend it to other protocol exchanges.
ISSN:2245-800X
2246-0853
DOI:10.13052/jicts2245-800X.713