Physical Security Games: Lessons Learnt Building CTF Challenges for Hackers

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Presented at SecuriTayDundee 2019 by

Steve Wilson

In the past, I've built a number of challenges for a variety of events. I've always tended towards the more physical side of things. It's remarkably hard to second guess the skill level of potential players, and to build something that hits the fine balance between being achievable without being too easy, when given competitors of varying ability. Sometimes things go well, sometimes, almost comically less so. I'll give some examples of games I've built in the past, the approaches I took when designing them, and some lessons learnt actually getting people stress testing them in the real world...