Building Open Source Cyber Range To Teach Cyber Security

This paper deals with the use of cyber range in education to teach cybersecurity. Particular attention is paid exclusively to open-source solutions, as such solutions are available to the general public, which is essential in raising awareness of cyber defense. First,the available open-source cyber ranges are described, their advantages and disadvantages. Subsequently, it presents our selected solution, the procedure of implementation in the Brno University of Technology laboratory, our use in our study programe and stress testing of selected cyber range. Last but not least, it provides a unique guide to designing and building own open-source cyber range LAB from scratch.