Prof. Dr. Kai Rannenberg
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Prof. Dr. Kai Rannenberg

Full Professor
Goethe University Frankfurt

Prof. Dr. Kai Rannenberg holds the Chair of Mobile Business & Multilateral Security ( at Goethe University Frankfurt since 2002. While the chair is part of the Faculty of Business and Economics Kai Rannenberg is also a member of the Faculty of Informatics and Mathematics. Since 2012 Kai is a Visiting Professor at the National Institute of Informatics (NII) (Tokyo, Japan). 1999-2002 he was with Microsoft Research Cambridge focussing on Personal Security Devices & Privacy Technologies. 1998 he completed his PhD at Freiburg University on IT Security evaluation criteria, certification and the protection of users and subscribers.

Kai has been coordinating several leading EU research projects, e.g. the Network of Excellence “Future of Identity in the Information Society (FIDIS)” and the Integrated Project “Attribute based Credentials for Trust” (ABC4Trust). Currently he is coordinating CyberSec4Europe, a pilot for the European Cybersecurity Competence Network the EU is establishing.

Further activities include:

  • Since 2007 Convenor ISO/IEC JTC 1/SC 27/WG 5 “Identity management & privacy technologies”,
  • Since 2003 Chair CEPIS ( Legal & Security Issues Special Interest Network,
  • 2004-2013 academic expert in the Management Board of EU Network and Information Security Agency, ENISA; 2013 till 2020 member ENISA’s Advisory Group (till 2019 named Permanent Stakeholder Group),
  • Since 2014 Chair of the IFIP Publications Committee and Editor-in-chief of the IFIP Advances in Information and Communication Technology published with Springer.
  • From 2007 till 2013 Chair of IFIP TC-11 “Security and Privacy Protection in Information Processing Systems”, after having been its Vice-Chair since 2001.

Kai's research interests include:

  • Mobile and embedded systems and Multilateral Security in e.g. M-Business, LBS, transport systems, and industrial applications,
  • Privacy and identity management, especially attribute based authorisation,
  • Communication infrastructures and devices, e.g. personal security assistants and services,
  • Security and privacy standardisation, evaluation, and certification.

Prof. Dr. Kai Rannenberg
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