A Qualitative Study of Adoption Barriers and Challenges for Passwordless Authentication in German Public Administrations. - Jan-Ulrich Holtgrave; Sabrina Klivan; Karola Marky; Sascha Fahl (CHI, 2025)

Attributing Open-Source Contributions is Critical but Difficult: A Systematic Analysis of GitHub Practices and Their Impact on Software Supply Chain Security. - Jan-Ulrich Holtgrave; Kay Friedrich; Fabian Fischer 009; Nicolas Huaman; Niklas Busch; Jan H. Klemmer; Marcel Fourné; Oliver Wiese; Dominik Wermke; Sascha Fahl (NDSS, 2025)