1 Introduction; 2 Cybercrime in a criminological perspective; 3 Types of cybercrime and their criminalisation; 4 Cyber offenders; 5 The organisation of cybercrime; 6 Victims of cybercrime; 7 Criminological theories and cybercrime; 8 Cybercrime investigations; 9 Interventions for cyber offenders; References; Index; Case law; About the authorsCybercrime has greatly increased in recent years. That is why it is important for criminologists and legal professionals to learn the basics about cybercrime. This book offers insights into the various types and features of cybercrime, offender and victim characteristics, quantitative and qualitative methods for studying cybercrime, criminological theories that can be used to understand cybercrime, and possible countermeasures and interventions. In addition to criminological aspects, the book deals with a number of legal topics, including the criminalisation of cybercrime, the detection process and the investigative powers that can be used by the law enforcement agencies in the online domain.Essentials in cybercrime is written for criminology and law students, as well as for professionals in law enforcement and practice. We are proud that we were able to cover the essential topics relating to cybercrime and also feel that we are able to provide a good theoretical foundation, based on scientific research.