With pride we present the proceedings of the 31st annual IDIMTConference.The post-covid period brings with it additional challenges for bothinformatics and information management. The current era isassociated with expectations of digitization and a sharp increasein labor productivity, mainly thanks to the former. Of course,this means increased pressure on the security of informationtechnologies and on the knowledge of those workers who designthem, as well as the employees who work with them. These topicsare explored from different angles in the papers of this conference.We have chosen the following 9 topics for 2023: Crisis Management and ICT (Georg Neubauer, Karin Rainer) Cyber Security (Michael Sonntag) Virtual Collaboration, Teaching & Learning (Anne Jantos) Autonomous Vehicles and Smart Environments (ErwinSchoitsch) Management of ICT Systems (Petr Doucek) Social Media (Antonín Pavlícek) Digital Transformation of Supply Chain Management (RadoslavDelina) Ethical Aspects of Working with Data (Anton Lisnik) Special session: Early Career & Student Showcase (MichaelSonntag)Based on a double-blind two-step review process we have selected42 of the submitted papers with a totality of more than 128 coauthors.The program ran in two parallel streams.The authors come from 10 different countries: Austria, Croatia,Czech Republic, Germany, Greece, Hungary, Palestine, Slovakia,Slovenia and Sweden.