As ICT (Information and Communication Technology) has a great impact on almost every area of our life, cyber security has been the most important and promising technology. Especially, a variety of industries converged with ICT expands greatly the attack surface from cyber space to physical space, which makes a lot of social and economic issues. However, our society is lack of well-educated cyber security experts, which is why our cyber security department has been established. We raise cyber security experts by providing comprehensive and systematic education on computer science, ICT, and various security technologies, and also leading cyber security education and research.