The paper considers a number of approaches with regard to the concept of the “information revolution” in the development of legal concepts. Various opinions regarding the number of approaches and their main points have been studied. The complexity as to how to determine the exact dates of the beginning and the end of certain events have an impact on new steps in the development of society and public relations - generating debate. The authors identified and systemised the most relevant issues to study in the sphere of the starts and results of information revolutions. They are: leaks and protection of confidential information on an international basis; reliability of the distributed information, firstly in political and military international conflict and secondly in the use of information resources by terrorist organizations and other similar structures. The characteristics of cause-effect relationships for the development of legal concepts are described as a follow-up of the development of the forms of information, information technologies and the info-sphere. Some conclusions are made concerning the further development of legal concepts in modern society on the basis of the classification available.