Researchers at an Abu Dhabi university revealed details about a set of vulnerabilities in the information transfer mechanism that underlies modern telephone networks. According to the report, threat actors can exploit these flaws to deploy denial of service (DoS) and Man-in-The-Middle (MiTM) attacks using a few pieces of hardware.
Experts Evangelos Bitsikas and Christina Pöpper mention that these failures can occur in all kinds of scenarios as long as some general conditions are met. In addition, the problems lie in all generations of network infrastructure, from 2G to 5G.
Handover is the fundamental mechanism in any modern cellular network implementation, and is described as the process of transferring a subscriber during a call or data transfer session from one base station to another. Handover plays a critical role in establishing cellular communications, especially when the user is on the move.
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