In the monograph published by the UPH Scientific Publisher, entitled Information dimension of security of states and individuals (under the scientific editorship of dr hab. Włodzimierz Fehler, a university professor), a chapter has been published by Łukasz Olszewski (MA) - a doctoral student at the Doctoral School of the Siedlce University of Natural Sciences and Humanities in the discipline of security studies , entitled The European Union in the face of preventing and combating cybercrime - selected aspects.