Stefan Horstmann

Developer-Centered Security


Ruhr-Universität Bochum
Fakultät für Informatik
Developer-Centered Security
Universitätsstraße 150
D-44801 Bochum

Raum: MB 2.193

Telefon: +49 (0) 234 32-24085

Sprechzeiten: Nach Absprache



I am a PhD student at the chair for Developer Centered Security. I conduct research with software developers, mainly focusing on the topics of Privacy and Privacy by Design.



ChatGPT-Resistant Screening Instrument for Identifying Non-Programmers

Raphael Serafini, Clemens Otto, Stefan Albert Horstmann, Alena Naiakshina
In Proceedings of the 46th International Conference on Software Engineering 2024 (ICSE 2024)

Supplementary Material


„Those things are written by lawyers, and programmers are reading that.“
Mapping the Communication Gap Between Software Developers and Privacy Experts

Stefan Albert Horstmann, Samuel Domiks, Marco Gutfleisch, Mindy Tran, Yasemin Acar, Veelasha Moonsamy, Alena Naiakshina
Privacy Enhancing Technologies Symposium (PETS 2024)


Security Champions Without Support:
Results from a Case Study with OWASP SAMM in a Large-Scale E-Commerce Enterprise
Marco Gutfleisch, Markus Schöps, Stefan Albert Horstmann, Daniel Wichmann, Martina Angela Sasse
Proceedings of the 2023 European Symposium on Usable Security


On the Recruitment of Company Developers for Security Studies: Results from a Qualitative Interview Study
Raphael Serafini, Marco Gutfleisch, Stefan Albert Horstmann, Alena Naiakshina
Symposium on Usable Privacy and Security (SOUPS 2023)


Testing Screener Questions for Software Developer Studies with Time Limits
Anastasia Danilova, Stefan Horstmann, Matthew Smith, Alena Naiakshina
In Proceedings of the 44rd International Conference on Software Engineering 2022 (ICSE 2022)


Do you really code? Designing and Evaluating Screening Questions for Online Surveys with Programmers
Anastasia Danilova, Alena Naiakshina, Stefan Horstmann, Matthew Smith
In Proceedings of the 43rd International Conference on Software Engineering 2021 (ICSE 2021)