IEEE CNS 2019 - IEEE Conference on Communications and Network Security. Dedicated to Communications and Network Security, IEEE CNS will focus on the communications-oriented aspects of security and will serve as a premier forum for mobile, wireless, and communications cyber security researchers, practitioners, policy makers, and users to exchange ideas, techniques and tools, raise awareness, and share experience related to security and privacy. Topics of interest encompass all practical and theoretical aspects of communications and network security, from the physical layer to the various network layers to the variety of applications reliant on a secure communication substrate.