© Tobias Fiebig

Prof. Tobias Fiebig, Ph.D. (Eng.), opens an external URL in a new window was appointed University Professor of Computer Networks at the Vienna University of Technology effective March 1, 2026. He is affiliated with the Institute of Computer Engineering (E191) at the Faculty of Informatics, opens an external URL in a new window.

Curriculum Vitae: Tobias Fiebig is from Germany and initially studied cognitive science at the University of Osnabrück, focusing on cognitive psychology, philosophy of mind, artificial intelligence, computational linguistics, and computer science. He then completed a master’s degree in System and Network Engineering at the University of Amsterdam. For his doctoral studies, he moved to TU Berlin, where he earned his Ph.D. in 2017 with a dissertation on the topic “An Empirical Evaluation of Misconfiguration in Internet Services”, opens an external URL in a new window. Even during his dissertation period, Tobias Fiebig gained international research experience during a short research visit to the University of California, Santa Barbara. Following his doctorate, he secured an assistant professorship at TU Delft in 2017. At the same time, he took on responsibilities in the European research project “CyberSecurity4Europe.” In 2022, he moved from TU Delft to the Max Planck Institute for Computer Science, where he was appointed Senior Researcher in 2023 and, in 2024, additionally appointed Associate Fellow at Saarland University.

His academic home is in the Internet Infrastructures research group (E191-06): There, he focuses on all aspects of the Internet as the digital infrastructure that makes our modern society possible. His research ranges from technical elements, IT security, and protocol development, through Internet measurements and application issues in the context of fundamental Internet protocols such as DNS, SMTP, and BGP, to organizational and human aspects of coordination and reliable collaboration in the operation of Internet infrastructure. In particular, his work on cloud usage at universities, opens an external URL in a new window and digital sovereignty, opens an external URL in a new window has received international attention.

Publications by Tobias Fiebig in the Scopus, opens an external URL in a new window database and in ReposiTUm, opens an external URL in a new window.