Introduction to security of information and communication technologies, fundamental security functions and related cryptographic tools, network security and related problems, protection mechanisms and tool will be evaluated. Then current hot topic security problems will be analyzed for “cloud computing”, “web applications and services”, “wireless networks”, etc. and security management of information systems will be discussed. Students will have a term project for the course about an up-to-date problem of these topics, which they are interested in and will prepare a written report about it then, present their work.