This special issue introduces the topic of cybercrime to Dutch criminology. First, it raises the major substantive issues that computer technology involves for criminology, in terms of crime volume, people involved in crime, and the ways that crimes are committed. Also, it deals with research literature on cybercrime on various topics, such as survey methodology, crime prevention and Internet applications open to justice professionals in the fight against crime. Overall, the article concludes that much research remains to be done in this relatively new field.