The work covers in a systematic and thorough way an important gap in the Greek legal bibliography regarding cybercrime. It is a highly relevant study in view of the increasing criminality related to computers. In the six chapters of the book, the reader can find explanations of basic concepts that will help them understand the phenomenon of cybercrime, as well as analyses of the relevant international, European, and Greek legislation, accompanied by examples. This work is not only addressed to legal practitioners and law students, but also to professionals in the field of cybersecurity, as well as anyone who wishes to enhance their knowledge regarding cybercrime.