The universal access to the Internet contributed to the dissemination and popularization of fake news. Their function is quite broad – they can influence the results of political elections, social attitudes and behavior or stock market quotations, and weaken social trust in particular categories of our existence. In the age of the Internet, thousands of new content with manipulated data is circulated every day, without any reliable research that destabilizes the perception of reality. Disinformation is not a new phenomenon, but it has never been such a powerful weapon. The omnipresence of fake news raises questions about the subject side, i.e. senders, content distributors, sources of responsibility for the published material. The aim of th...