The text explores theoretical foundations of the modern processes connected with decision-making in global politics. The influence the fast developing Internet technologies have on the political situation in different countries is studied through the lens of Cambridge Analytica case. The authors of the text research and present the situation with Cambridge Analytica in a chronological order. Possible long-term influence of the situation is presented along with the predictions related to the online meddling with decision-making processes in politics in the future. The methodology is based on the works of Nesbitt, Toffler, Hambers, Innis G., McLuhan M. and others. The American model of information society development is seriously disrupted with the Cambridge Analytica company case. Legislators of many countries and international organizations such as the EU and others are currently trying to eliminate deficiency in law with GDPR. A well-developed legislative framework will significantly limit the activities of companies and exclude the possibility of mass uncontrolled use of personal data of social networks, etc. worldwide. The practical significance is evident. It is based on the analysis of the latest material and demostrates the danger of the development of this kind of information technologies and ways to counterwork them.