Christian Killer and Melchior Limacher

PhD Candidate, UniZH / Pentester, Limafast

Christian Killer is a Junior Researcher and PhD Student at the Communication Systems Group (CSG) of Professor Bernhard Stiller at the University of Zurich (UZH). Currently, his research focuses on DLTs, Blockchains and their Applications, but also covers Electronic Voting and Information Security.

Melchior Limacher holds a master of science in Physics from the Swiss Federal Institute of Technology (ETH) Zurich and various certifications. He mainly works as a Penetration Tester and Security Consultant since 2012. As such, he gained broad insight into the IT infrastructure of a variety of companies and organizations.

All Sessions by Christian Killer and Melchior Limacher

  • Main Track / Tech Track


  • 13:35  - 14:05
    How secure are traditional voting methods really? When it comes to voting or election fraud in Switzerland, there are known occurrences of adversaries destroying casted paper ballots. This talk is based on Christian Killer's security and process analysis of the Swiss Postal Voting Process. In a 2nd part, Melchior Limacher outlines various threat events from a practical, adversarial perspective. Therefore, this talk focuses on the central question that nobody asks: how hard would it be for an adversary to attack traditional voting channels in Switzerland? A few days before the national election, this talk touches on a few inconvenient facts.




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Christian Killer and Melchior Limacher