Triin Muulmann Ricardo Gregorio Lugo Rain Ottis From Theory to Practice: Leveraging VR and CTF Competitions for Advanced Cybersecurity Education. 108-122 2025 HCI (70) https://doi.org/10.1007/978-3-032-12660-3_9 conf/hci/2025-70 db/conf/hci/hci2025-70.html#MuulmannLO25 streams/conf/hci