Abstract

The article discusses the prohibition of presenting advertisements based on profiling special categories of personal data (so-called sensitive data) by online platform providers. The article explains the concept of profiling and the concept of special categories of personal data within the meaning of the GDPR. It also discusses the possibility of inferring special categories of data from personal data that is not itself a special category data. Conclusions are also made on what kind of profiling for the purpose of presenting advertisements will be covered by the prohibition under the Digital Services Act.