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Explore a 39-minute conference talk that delves into the iPhone's baseband architecture and cellular security vulnerabilities. Learn about CellGuard, a protective solution developed to address the lack of system-wide protections against cellular attacks in iOS. Discover the process of reverse-engineering iOS baseband architecture, including proprietary protocols and hidden interfaces, through BaseTrace tooling that decodes communication between iOS and Qualcomm basebands. Understand how CellGuard leverages cell parameters and Apple Location Service to detect potential threats, while enabling users to contribute to a large-scale study for improving detection algorithms. Presented by Lukas Arnold, a Computer Science Master's student at the Technical University of Darmstadt and Student Researcher at the Secure Mobile Networking Lab (SEEMOO), who specializes in iPhone and cellular communication security research.
