Critical Information Infrastructures/en

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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 as well as on the industry-specific application of secure and trustworthy AI models. 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, trustworthy AI, continuous, DLT-based auditing of AI systems, and auditing/certification of IT in general.

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Latest cii News
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)


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
Postdoctoral Researchers
PhD Students

Active Projects

Our research is funded by

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AUDITOR Logo.jpg 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.png 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.
Miles.png 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.
Ngcert.png 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.
TB-Logo.png 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.png 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

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Cloud Computing Services for Healthcare Organizations


External Link:

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IKT-Landschaft im Jahre 2020


ilustre Lehre


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Payment with Data


Security & Compliance Automation

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Standardisierungsarbeit im DIN



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Wissenschaftlich-Technische Zusammenarbeit (WTZ)

Research and Practice Partners (selection)

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