The Internet is a powerful tool of the modern age that serves to learn and connect. It provides access to almost unlimited knowledge and connects different people around the world. However, there are a number of risks on the Internet, to which children and adolescents are particularly exposed. There are dangers that children and adolescents may be involved in, including loss of control over their own privacy, excessive screen use, and the most dangerous types of online violence. Although Internet security threats can affect every Internet user without distinction, the most vulnerable groups are definitely children and young people. Today, there are many protections on the Internet, and the Personal Data Protection Act plays a major role in the safety of young people on the Internet. In the digital age, protecting the privacy of young people is one of the topics that requires special attention. Excessive exposure to personal data of young people on the Internet and social networks warns of a number of risks to their privacy, integrity, self-image and personality development. From this perspective, this paper describes the importance of personal data protection for young people. The protection of personal data is one of those rights which in the information society, inter alia, guarantee privacy, confidentiality and digital security and which protect their personal data in the sphere of the person.