The book describes the current topic of "cyberbullying in childhood and adolescence" in all its complexity. Through practical examples, it introduces the digital world of children and adolescents. Current scientific findings highlight the relevance of the topic and provide a comprehensive overview of the phenomenon of "cyberbullying." The various facets and usage possibilities of digital and social media are described, along with the dangers that may accompany their use. It conveys nuanced knowledge about different models and risk factors that can explain cyberbullying. This understanding also forms the basis for protecting oneself as effectively as possible against cyberbullying. The motives of cyber perpetrators and the complex effects of cyberbullying are described in detail.