The Security Brain – Why it‘s so hard for humans to act secure

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Presented at DeepSec 2025 by

Klaudia Zotzmann-Koch

Christina Beran

What's the problem with using a password manager? Or Linux? It can't be that difficult to understand the difference between your browser and a search engine! While security experts work on the bits and bibbles of code and network structures, the other end of the line is mostly blank. But why is it so damn hard to not act dumb? Christina Beran, psychologist, and Klaudia Zotzmann-Koch, data privacy expert specialised in security awareness, tackle the hurdles and pitfalls we encounter when trying to convey the importance and appropriate measures to act securely. And most of all what sec experts and programmers have to do, to make users and normal human beings not be the company's or their own worst enemies.