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Critical Information Infrastructures (CII)

Critical information infrastructures (CII) 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 CII 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, and information security solutions.

Latest CII News
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)


Offers for final theses (bachelor / master)

Course Term
Angewandte Informatik II: Informatiksysteme für eCommerce SoSe
Emerging Trends in Critical Information Infrastructures SoSe
Praktikum: Critical Information Infrastructures SoSe

Open Positions

Research Group

PhD Students

Active Projects


External Link: http://www.auditor-cert.de

Cloud Computing Services for Healthcare Organizations


External Link: http://epill.uni-koeln.de



External Link: http://miles.uni-koeln.de


External Link: http://www.ngcert.de

Unblackboxing IT Certifications

Completed Projects

IKT-Landschaft im Jahre 2020

ilustre Lehre

Payment with Data

Standardisierungsarbeit im DIN


Wissenschaftlich-Technische Zusammenarbeit (WTZ)