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Security Enhancement of UMTS-GSM Interworking Attacks
2010 (English)In: Elsevier Journal of Computer Networks, ISSN 1389-1286, Vol. 54, no 18, 2256-2270 p.Article in journal (Refereed) Published
Abstract [en]

In this paper we first present three new attacks on Universal Mobile Telecommunication System (UMTS) in access domain. We exploit the interoperation of UMTS network with its predecessor, Global System for Mobile communications (GSMs). Two attacks result in the interception of the entire traffic of the victim UMTS subscriber in the GSM access area of UMTS network. These attacks are applicable, regardless of the strength of the selected GSM encryption algorithm. The third attack is an impersonation attack and allows the attacker to impersonate a genuine UMTS subscriber to a UMTS network and fool the network to provide services at the expense of the victim subscriber. Then, we propose some countermeasures to strengthen the UMTS network against the mentioned attacks with emphasis on the practicality in present networks. The proposed solutions require limited change of the network elements or protocols, insignificant additional computational load on the network elements and negligible additional bandwidth consumption on the network links.

Place, publisher, year, edition, pages
2010. Vol. 54, no 18, 2256-2270 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-96637DOI: 10.1016/j.comnet.2010.01.005ISI: 000281180300010OAI: diva2:531625
QC 20120615Available from: 2012-06-07 Created: 2012-06-07 Last updated: 2012-06-15Bibliographically approved

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Salimi, Somayeh
Electrical Engineering, Electronic Engineering, Information Engineering

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