Evolution of Cellular Networks: From 2G to 5G - Understanding Attack Surfaces and Security

Explore the evolution of cellular networks in this DEF CON 31 conference talk that demystifies complex telecommunications terminology and infrastructure. Journey through the progression of cellular technology from 2G to 5G while learning about network topology, protocols, and the continuous cycle of security vulnerabilities and mitigations. Gain insights into how terms like "4G," "LTE," "3GPP," and "packet core" relate to both attack surfaces and consumer experiences. Discover how each generation of cellular technology responded to security challenges, only to create new opportunities for creative attacks. While basic knowledge of security concepts, communications systems, information theory, or RF can enhance understanding, the presentation remains accessible to those interested in cellular network security fundamentals.