European Law / Cybercrimes / European Union Law / European Convention of Human Rights / Relationship among European Cour of Justice and ECHR. Relationship between national courts and european courts (ECJ and ECHR) / European Court of Justice / European Court of Human Rights / Cybercrime / Cybercrime Legislation / Proportionality Principle / Cybercrime Prevention / Court of Justice of the European Union / European Court of Justice / European Court of Human Rights / Cybercrime / Cybercrime Legislation / Proportionality Principle / Cybercrime Prevention / Court of Justice of the European Union