Hi, I conduct research on cyber security methodology and terminology/taxonomy, especially focusing on Internet censorship and information hiding.
Some of my fundamental papers
- surveying Internet censorship (COSE, 2026)
- introduction of covert channel amplification and history covert channels (IEEE TDSC, 2025)
- introduction of a generic taxonomy for steganography and a method to describe new covert channels in papers (ACM CSUR, 2025)
- introduction of hiding patterns (a taxonomy for network covert channels) (ACM CSUR, 2015)
About me
- 2024-now: Professor at the University of Ulm: chair (Institute of Information Resource Management (IRM)) and Director of the Computing Center and University Library (Communication and Information Center - kiz)
Previous positions/degrees:
- 2020-2025: Lecturer (Priv.-Doz.), FernUniversität in Hagen
- 2016-2024: Professor of Cyber Security and Computer Networks, Hochschule Worms, including several years as Scientific Director of the Center for Technology and Transfer (ZTT, now ZFT)
- 2014-2020: Habilitation (Dr. habil), Faculty of Mathematics and Computer Science, FernUniversität in Hagen
- 2013-2020: PostDoc, Department of Cyber Security, Fraunhofer FKIE, Bonn
- 2013: Ph.D. (Dr. rer. nat.), Faculty of Mathematics and Computer Science, FernUniversität in Hagen
- 2010-2013: Researcher, Augsburg University of Applied Sciences, Augsburg
- 2011: M.Sc. in Computer Ccience, Augsburg University of Applied Sciences, Augsburg
- 2009: Dipl.-Inf.(FH), Kempten University of Applied Sciences, Kempten
- since 2003: Author of several Linux books (most recent book, PDF of our Linux Openbook (German, 2011))
Academic Profiles: Google Scholar, DBLP, ResearchGate, Mastodon: @cdpxe@dju.social.
Contact: steffen (at) wendzel (dot) de.