I live with my family in the beautiful city of Münster in north-western of Germany. In my free time, I enjoy various disciplines of Mountainbiking such as Bike Trials, Dirt Jumping and Enduro.


I regularly speak at academic and industry conferences about cyber security-related topics. Some conferences record presentations and make them public after the conferences. Below is a selection of those talks, but Google lists several more.

33rd Chaos Communication Congress (33C3), 2016

RuhrSec, 2016

31st Chaos Communication Congress (31C3), 2014

28th Chaos Communication Congress (28C3), 2011