\r\n This book is focused on the key issues of the very specific field of EU law regulation reflecting the fact that currently extremely rapid and dynamic development of modern technologies and the unprecedented degree of their integration into the everyday life of every person are radically changing the previous modus vivendi in the society. This is a new born branch of law that just now is gaining its basic outlines. Even its name itself is not stable, we can meet with different names such as: Cybernet law, Information technologies law, Digital Law, Modern technologies law, Cyberspace law, etc. This book is dealing with the different key aspects of this new branch.\r\n\r\n The global spread and usage of modern technologies and their huge interference into each aspect of everyday life is accompanied by a number of negative trends such, as threats to privacy and cyber security or interference into the field of human rights. The monograph focuses on the analysis of the most important and thorny legal issues of the process digitalisation, robotization and providing of cyber security and it brings the proposals de lege ferenda concerning the optimal ways of legal regulation and the elimination of eventual negative impacts of the mentioned process.\r\n\r\n Especially it is dedicated to the main directions of legal regulation in such fields as: e-commerce, usage of Artificial Intelligence, competition law in a digital economy, consumer protection in the on-line world, cyber security and other related issues connected with the integration of the modern technologies in the everyday life of every person. The book in a form of a collective monograph was prepared in the framework of Jean Monnet Network with the involvement of researchers from the leading European Universities (Heidelberg University, Palacký University in Olomouc, Tallinn University of Technology, Comenius University in Bratislava and Shevchenko University in Kyiv) and other research institutions.\r\n\r\n The preface to this publication was written by the Judge of the Court of Justice of the European Union Jan Passer.\r\n\r\n The book creates a main output from the research project with the title “The EU and the Challenges of Modern Society (legal issues of digitalization, robotization, cyber security and prevention of hybrid threats)” granted by the EACEA in the category of Jean Monnet network. With the support of the Erasmus + Programme of the European Union.\r\n\r\n The book was published in cooperation of two Publishers, Kluwer Law International B.V. (Alpheen aan den Rijn) and Wolters Kluwer CZ (Prague).\r\n