Mitigating attacks on open functionality in SMS-capable cellular networks
IEEE/ACM Transactions on Networking (TON)
Signaling-Oriented DoS Attacks in UMTS Networks
ISA '09 Proceedings of the 3rd International Conference and Workshops on Advances in Information Security and Assurance
On cellular botnets: measuring the impact of malicious devices on a cellular network core
Proceedings of the 16th ACM conference on Computer and communications security
Review: A review of DoS attack models for 3G cellular networks from a system-design perspective
Computer Communications
A distribution-based approach to anomaly detection and application to 3G mobile traffic
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Unveiling the hidden dangers of public IP addresses in 4G/LTE cellular data networks
Proceedings of the 15th Workshop on Mobile Computing Systems and Applications
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Long Term Evolution (LTE) is seen as the key enabler for delivering the fourth generation of mobile broadband and is the first cellular network primarily designed based on IP. Thus, telecom operators must support the diverse IP-based mobile applications and all the overhead associated with such applications which is mainly in the a result of the increased signaling traffic. By taking advantage of the signaling overhead, a malicious user can cause severe overload on the operator's infrastructure denying legitimate users from accessing the network. This work presents a study of a denial of service (DoS) oriented signaling attack against LTE networks that takes advantage of the signaling overhead required to set up dedicated radio bearers. The attack scenario is simulated in OPNET, and the signaling traces are analyzed. Results show that a well-coordinated attack creates significant stress on the operator's resources and inhibits legitimate subscribers from obtaining proper services. Then, a detection mechanism that can be used to thwart such attacks is proposed.