The article examines the issues of legal regulation of the use of information and communication technologies in the activities of public authorities. The relevance of the topic is due to the universal digitalization of public relations, including the activities of public authorities. The widespread informatization of various spheres of society, their economic activities, the development and introduction of modern data transmission devices, the expansion of computer networks led to a sharp increase in the volume of processed information, and modern society began to be called informational. The process of informatization of society is gradually taking place. Various information and communication technologies are also actively used in the field of public administration in Russia. The processes of informatization and information support are increasingly active in the digital economy of Russia. Technologies and their application are turning from a specialized professional field into a key issue in the sphere of public administration. In the general understanding, information and communication technologies are a process that includes a set of tools and methods for the implementation of operations for the collection, registration, accumulation, processing and transmission of information based on hardware and for the purpose of solving management tasks. The author formulates the conclusion that information and communication technologies are increasingly being used in the activities of public authorities. Informatization of the activities of public authorities in the Russian Federation is an indispensable and important stage in the formation of the information society, as well as the leading direction of reforming the entire system of public administration.