Cyberbullying moves traditional bullying activities into the digital realm and adds new forms of aggression to the bully arsenal. It has become a significant issue for technology-savvy children and adolescents. This entry focuses on violent content in cyberbullying. It begins by defining cyberbullying and describing types of violent cyberbullying. It then gives specific examples of aggressive acts in high-profile cyberbullying cases before shifting to a review of research on the prevalence of different forms of cyberbullying.