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Critical Information Infrastructures

Critical information infrastructures are sociotechnical systems comprising essential software components and information systems with pivotal impact on individuals, organizations, governments, economies, and society. We work on research challenges concerned with the design, development, and evaluation of reliable, secure, and purposeful software and information systems. Our research features a strong domain focus, in particular, on internet and health care industries. The principal goal of our research is theorizing on and designing the applications and methods required for creation and innovation of sociotechnical systems with auspicious value propositions. In our studies, we rigorously employ a variety of interdisciplinary methods and build on theories from information systems and related disciplines. Our work accounts for the multifaceted use contexts of information and communication technologies with research on human behavior affecting critical information infrastructures and vice versa. This enables us to rigorously generate strong theoretical insights while simultaneously producing research outputs of relevance to practical audiences.

Our main research contexts are reliable, secure, and purposeful software and information systems within the scope of critical infrastructures, innovative health IT applications, cloud computing services, blockchain technologies, and auditing/certification of IT.

Latest News
13.11.2018 Dissertation in CII research group was awarded the Wissenschaftspreis of the German Association for Data Protection and Data Security (GDD)
13.11.2018 New Research Article Accepted for Publication in Communications of the AIS
05.11.2018 AUDITOR @ TECHWEEK 2018
30.10.2018 New Research Article Published in the Journal of Management Information Systems (JMIS)
19.10.2018 Prof. Sunyaev will be a member of this year's eco://award jury
17.10.2018 Talk at the 7th Ressourceneffizienz- und Kreislaufwirtschaftskongress in Karlsruhe
12.10.2018 Talk at the Applied Informatics Colloquium on October 17, 2018
12.10.2018 Talk at the EnSoC Network Seminar „Blockchain und Energiewirtschaft“
10.10.2018 The Digital (R)Evolution in Science: Talk at the Helmholtz Horizons Symposium 2018 in Berlin
21.09.2018 Roundtable of the FZI Friends' Association on the Topic of Blockchain
18.09.2018 Workshop on Blockchain for Open Knowledge on October 9, 2018
07.09.2018 Paper published in IEEE Transactions on Cloud Computing
07.09.2018 The New Project 'Continuous Compliance' has launched!
05.09.2018 CII Research Group at HICSS 2019
03.09.2018 Unblackboxing IT Certifications – Project Meeting on July 26, 2018 at TU Darmstadt
24.08.2018 Talk at the Blockchain for Science Con 2018 in Berlin
07.08.2018 Exclusive Internships at Yale University in 2019
13.07.2018 New Research Article Published in the Journal of Medical Internet Research (JMIR)
29.06.2018 Prof. Dr. Sunyaev Gave a Talk During the KIT Graduation Ceremony
19.06.2018 Article in the collection "Jenseits des Otto Normalverbrauchers: Verbraucherpolitik in Zeiten des 'unmanageable consumer'" published
14.06.2018 Fujitsu NEXT Award for Excellent Bachelor Theses – Apply Now!
11.06.2018 New Research Article Published in the Journal of Information Technology (JIT)
07.06.2018 Dissertation in CII group was awarded the Wissenschaftspreis of the Faculty of Economics and Management of the University of Kassel
06.06.2018 AUDITOR Criteria Catalogue Published
06.06.2018 Cyber Security Workshop in Düsseldorf
04.06.2018 Kick-Off Workshop for our Research Project Trusted Blockchain
01.06.2018 AUDITOR @ CEBIT 2018
30.05.2018 AUDITOR - Project Presentation and Press Conference on 6 June 2018 in Berlin
30.05.2018 Prof. Sunyaev in Interview with clicKIT
29.05.2018 Radio interview with Prof. Dr. Ali Sunyaev referring the research project AUDITOR
28.05.2018 The CII Lab is Looking for a New Research Associate
23.05.2018 Prof. Dr. Ali Sunyaev Served as an Auditor for the German Informatics Society
22.05.2018 Paper Accepted at GamiFin 2018
07.05.2018 Three Papers Accepted at ECIS 2018
04.04.2018 “AUDITOR” Develops Europe-Wide Certification of Cloud Services
13.03.2018 Research Group Critical Information Infrastructures at the 2018 Multikonferenz Wirtschaftsinformatik (MKWI) in Lüneburg, Germany
16.02.2018 Prof. Ali Sunyaev Serves as a Mentor for the Junior Faculty Consortium at ECIS 2018
02.02.2018 Paper Accepted at ARCS 2018
26.01.2018 Research Group Critical Information Infrastructures at the 51st Hawaii International Conference on System Sciences (HICSS)


Lecture Critical Information Infrastructures starts on 25th of October

Course Term
Digital Health WiSe
Critical Information Infrastructures WiSe
Emerging Trends in Critical Information Infrastructures WiSe
Praktikum: Entwicklung Soziotechnischer Informationssysteme WiSe

Open Positions: Postdocs / Project Managers / Scientific Assistants

Open Positions: Student Assistants / Tutors

Research Group

Postdoctoral Researchers

PhD Students

Student Assistants

CII Hall of Fame

Active Projects

Our research is funded by

Continuous Compliance
The project 'continuous compliance' deals with the automation of compliance assessment processes in the context of cloud services. The research group cii is working together with SAP SE to deal with the challenging and ever-increasing amount of requirements that cloud services have to fulfil.
European Cloud Service Data Protection Certification
The objective of the research project “European Cloud Service Data Protection Certification” (AUDITOR) is the conception, exemplary implementation and testing of an enduring EU-wide data protection certification for cloud services. As project leader, we engage in every project activity to achieve this goal.
ePill - electronic Patient Information Leaflets
ePill (Electronic Patient Information LeafLets) is a web application that offers patient-friendly aggregation and refinement of information in patient information leaflets. ePill avoids drawbacks of patient information leaflets regarding readability, comprehensibility, and content. Besides improving the presentation of information in patient information leaflets, ePill can contribute to the solution of the prevalent problem of medication compliance by alleviating the process of gaining knowledge about the pharmaceuticals one is taking.
Project Multi-Disciplinary Identification of Lineage-Specific Signaling Dependencies in Cancer (MILES)
The project Multi-Disciplinary Identification of Lineage-Specific Signaling Dependencies in Cancer (MILES) focuses on identifying unique signaling networks within individual tumor lineages that mediate tumor growth. We place our emphasis on the integration of the individual life science and information science disciplines a develop and framework for the secure and privacy-preserving processing of genome data in cloud computing environments.
Project Next Generation Certification (NGCert)
The project “Next Generation Certification” (NGCert) focuses on research and development of dynamic certifications for cloud services, which enable auditors to continuously and (semi) automatically audit and monitor crucial parameters of cloud services. In this context, we develop metrics, methods, and design guidelines for continuous monitoring and (semi) automatic certification of cloud services.
Trusted Blockchain
Our research project „Trusted Blockchain“ aims to develop an innovative certification for distributed ledger technologies to reduce market uncertainty and support the development of trusted and secure technologies.
Unblackboxing IT Certifications
The project goal of “Unblackboxing IT Certifications” is to explore IT certifications' impact on customer and e-vendor perceptions. Within the research context of electronic markets, we investigate the research question of how web assurance seals are perceived by both customers and e-vendors. The project results contribute to gaining a deep and fundamental understanding of IT certifications' effectiveness.

Completed Projects

Cloud Computing Services for Healthcare Organizations

IKT-Landschaft im Jahre 2020

ilustre Lehre

Payment with Data

Standardisierungsarbeit im DIN


Wissenschaftlich-Technische Zusammenarbeit (WTZ)

Research and Practice Partners (selection)