Modern society is considered as a risk society. Definitions of risk, its structure in postmodern society are given, it is said about functional differentiation and orientation for the future. The modern vision of the information society is revealed, the concepts and social function of information are outlined, the concepts of culture and globalization are interpreted through the prism of the Internet. The problem of the knowledge society is analyzed. The theory of society and the theory of systems by Niklas Luman are covered.