Advanced Mathematics of Cyberspace Security. The main courses of cyberspace security major include advanced mathematics, linear algebra, probability theory and mathematical statistics, discrete mathematics, mathematical foundation of cyberspace security, advanced language programming, data structure, digital logic, assembly language programming, algorithm analysis and design, introduction to cryptography, computer composition principle, computer network, operating system principle, applied cryptography, information theory and coding theory foundation, network security, cyberspace security and risk management, network intrusion detection and defense. Therefore, the security of cyberspace is high.