Mobile devices continue to evolve and penetrate our everyday lives, leading to increased importance of mobile security - a topic living in the intersection of wireless communication, mobile computing, and computer security. This course focuses on aspects of information and network security that arise in this challenging and ever-evolving space of mobile communication systems, primarily focusing on smartphones and mobile telecommunication systems. One of the main goals of the course is to improve knowledge and awareness of security issues faced by mobile application and system developers. Material will cover standards and research challenges in both deployed and future systems. Possible topics of study include (but are not limited to) telecom vulnerabilities; smartphone security; mobile Internet security; and mobile location privacy. In addition to individual homework assignments, students will participate in an intensive group project involving significant research, development, and experimentation.