CTF Challenges from Cyber Security Base with F-Secure 2018/2019
Introduction As already last year (2017/2018) and the year before, the University of Helsinki (Finland) organized an online course on mooc.fi called Cyber Security Base with F-Secure . You could get 10 ECTS credits for participating. "By the end of the course, hard working participants are expected to possess the skills required from those who work as Junior Security Consultants in the industry." I participated the first year and I liked it. The last part of the course is a CTF (Capture the Flag) challenge in jeopardy style, which I participated in both previous years. It's a beginner-level CTF to get people into the topic, which is very appreciated. Unfortunately this year a few things went wrong. The communication was broken; nobody could be contacted and there was no chat channel, so that the two broken challenges were not solvable (more on that later). The instructions on the info page didn't match the reality and the starting date and time was not only delay