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LTE/SAE Security Issues on 4G Wireless Networks

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2 Author(s)
Bikos, A.N. ; Inf. Dept., Univ. of Patras, Patras, Greece ; Sklavos, N.

The authors give an overview on the state of the art of potential security issues that occur in the deployment of the LTE/SAE (Long-Term Evolution/System Architecture Evolution) protocol in emerging 4G wireless technologies. Although security concerns and challenges in wireless networks will remain a hot topic in the future, the LTE/SAE standard could adapt to these rising challenges, becoming more robust and secure. By looking at the authentication and ciphering algorithms, such as EAP-AKA (Extensible Authentication Protocol for Authentication and Key Agreement), currently operating within the LTE protocol, the authors analyze several vulnerabilities in LTE/SAE security architecture - specifically, insecure AKA key derivation procedures and the lack of fast reauthentications during handovers.

Published in:

Security & Privacy, IEEE  (Volume:11 ,  Issue: 2 )