Rolf Blunk
IT-Security Evangelist
Rolf Blunk is a seasoned consultant with deep expertise in IT security and organizational development. He brings decades of experience in advising and leading projects focused on communication systems and security solutions across both public institutions and the private sector.
Over the course of nearly 30 years at Siemens AG, he held various roles including Sales Engineer and Head of Specialized Sales, contributing significantly to the implementation of secure communication infrastructures. His responsibilities ranged from advising on ISDN and enterprise communication systems to leading a consulting team for information security. He later continued his work in IT security consulting with OTARIS Interactive Services GmbH.
Since 1996, he has developed security concepts for government agencies and telecom providers based on Germany’s BSI IT-Grundschutz standards. From 2017 to 2021, he was also involved in designing 5G security architectures as part of the research project TACNET.
Since 2008, Rolf Blunk has operated as an independent consultant, supporting SMEs and industrial companies in implementing IT security strategies and improving corporate communication. He contributes his expertise as Chair of the 'Security-by-Design' working group at TeleTrusT and serves on the advisory board of IFIT e.V.
In addition, Rolf Blunk lectures at the University of Applied Sciences Bremen, where he shares his practical knowledge and long-standing experience with students.

Contact
Email: rolf.blunk@nws.engineering
Education
- M.Sc., Business Information Systems, University of Duisburg-Essen (in progress)
- Dipl.-Ing. (FH), Communications Engineering, Berliner Hochschule für Technik (BHT)
Certifications and Further Training
- BSI IT-Grundschutz Expert (since 1996)
- Security Architect for 5G Environments (TACNET research project, 2017–2021)
- Various trainings in information security consulting and communications systems
Publications
- Gundall, M., Strufe, M., Schotten, H. D., Rost, P., Markwart, C., Blunk, R., et al. (2021). Introduction of a 5G-Enabled Architecture for the Realization of Industry 4.0 Use Cases. IEEE Access, 9, 1–12.
- Gundall, M., Schneider, J., Schotten, H. D., Blunk, R., et al. (2018). 5G as Enabler for Industrie 4.0 Use Cases: Challenges and Concepts. In IEEE ETFA 2018, pp. 1–8.
- Blunk, R. (2018). Stets einen Schritt voraus: Zukunftsfähige Sicherheitskonzepte folgen dem Security-by-Design-Prinzip. SICHERHEIT & DATENSCHUTZ, Themenbeilage 2018 II, Heise Medien.
Memberships and Roles
- Chair of the ‘Security-by-Design’ working group, TeleTrusT – IT Security Association Germany
- Advisory Board Member, IFIT e.V. (Independent Institute for IT Security)
“ Security forms the foundation of trust in our increasingly digital world. It must therefore be considered from the very beginning as an essential safeguard of user interests.