Jurisdiction is currently one of the most debated topics in international law. It has various forms and is used differently in general international law and in human rights law. Global internet platforms massively challenge the existing frameworks of jurisdiction. The existing international legal order is based on the Westphalian notion of state-centrism and state sovereignty. The most important link is usually a state’s territory. Yet, activities conducted online frequently ignore a state’s territorial borders. In the area of human rights law, the notion of jurisdiction has equally moved away from the territorial towards a generally extraterritorial application. This, however, leads to a conflict of jurisdictions. [---] The article will show that the current jurisprudence of the ECJ recognises the need for an extensive protection of privacy and data protection online but fails to set out clear guidelines or criteria that may help solve potential clashes with other, more closely linked jurisdictions.