The European Data Protection Day is the anniversary of the Council of Europe’s Convention 108 on the protection of personal data. It is the first legally binding international data protection law, and is celebrated every year, on 28 January, by the 47 countries of the Council of Europe and the EU institutions. As a researcher, you are responsible for protecting the privacy of data you collect during your scientific research. We would like to help you get started on how best to do this. This article gives you a quick overview.