On 13 February 2021, it was exactly twenty years ago that the Cybercrime Act came into force. For this occasion, Jeff Keustermans and co-author Freddy Mols reworked their earlier contribution in the loose-leaf publication 'Strafrecht en strafvordering'. This contribution deals extensively with IT crimes such as hacking, IT fraud, forgery and various methods of detection and investigation. [F. Mols, J. Keustermans, "Informatics crime" in Strafrecht en strafvordering - Commentaar met overzicht van rechtspraak en rechtsleer, 48 p., Kluwer, 2021 (loose leaf)]