Jaroslav Oster is a graduate of the Faculty of Electrical Engineering and Informatics of the Technical University in Košice. He works as a consultant for information security and IT crime prevention in the company Info consult, s.r.o. Since 2000, he has also been working as a forensic expert in the IT industry. He actively participates in a number of educational and implementation projects focused on the issue of information security in the healthcare sector, self-government and the commercial sector, and the training of forensic experts. He is a co-author of a number of civic activities aimed at raising security awareness and preventing cybercrime.