With today’s increasing number of cyber attacks, security becomes a critical research issue and practical concern. Wireless networks and technologies have been widely used and we have seen tremendous growth of wireless in the recent years. Wireless networks and security are important and very timely topics for computer and information science students. In this course, the students are expected to learn fundamental knowledge of cryptography, several types of important wireless networks, and security issues and defenses in the wireless networks and systems.Homework, mid-term exam, final exam