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 News
17.09.2019 Registration deadlines for cii courses in winter term 19/20
16.09.2019 New article published in the European Journal of Human Genetics
12.09.2019 Four Papers Accepted at HICSS 53
02.09.2019 Paper accepted at VLDB DMAH 2019
20.08.2019 New Research Project “COOLedger – A COnfiguration toOL for Distributed Ledgers”
18.07.2019 New Research Project “Security & Compliance Automation” in cooperation with SAP SE
16.08.2019 Neues Projekt zur Erforschung der Gesellschaft im digitalen Wandel: digilog∂bw/en
15.07.2019 2nd edition of the book "Cloud Service Certification: A Framework and Criteria Catalogue for the Certification of Cloud Services" published
11.07.2019 New Research Project "Social Comparison in mHealth"
10.07.2019 Unblackboxing IT Certifications – Kickoff Meeting on July 2, 2019 at Karlsruhe Institute of Technology
08.07.2019 Prof. Sunyaev at the German-Russian Science Forum on Artificial Intelligence in Moscow
26.06.2019 Article about the research project AUDITOR published in Handelsblatt
16.06.2019 cii research group at ECIS 2019
22.05.2019 KIT Joined the Bloxberg Consortium
13.05.2019 cii research group at IEEE CBI 2019
12.04.2019 New Research Article Accepted for Publication in Datenschutz und Datensicherheit
07.04.2019 Prof. Sunyaev Gives a Talk at the ITAS Workshop on Artificial Intelligence and Algorithmic Decision-making
29.03.2019 The DFG Funded Project "Unblackboxing IT Certifications" Will Be Extended by a Further Two Years
18.03.2019 Book chapter on "Security of Critical Information Infrastructures" has been published
05.03.2019 Special Interest Group ‘Digital Health’ Founded
15.02.2019 Current cii DLT research at the 3rd ForDigital Blockchain Workshop
05.02.2019 Prof. Sunyaev Interviewed by mobile zeitgeist: How Blockchain-technology can Revolutionise Science
31.01.2019 Annual Report 2018 of the Critical Information Infrastructures Research Group Published
24.01.2019 cii research group at the 52. Hawaii International Conference on System Sciences (HICSS)
21.01.2019 Helmholtz Key Technologies: The Democratization of Scientific Data

» News archive

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Course Term
Critical Information Infrastructures Ws 19/20
Praktikum: Entwicklung soziotechnischer Informationssysteme Ws 19/20
Digital Health Ws 19/20

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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.
COOLedger – A COnfiguration toOL for Distributed Ledgers
The goal of the research project is to support the selection and configuration of a suitable distributed ledger through a model that identifies the dependencies between DLT characteristics and presents them in an understandable way. The model will be embedded in a process and implemented as software, which facilitates finding the suitable configuration of distributed ledgers for specific applications.
Dlt4life logo.png Distributed Ledger Technology for Life Sciences
The aim of the research project “Distributed Ledger Technology for Life Sciences” (DLT4Life) is to develop a secure and privacy preserving DLT-based infrastructure for data exchange in the life sciences. The research project is part of the Helmholtz Information & Data Science School for Health (HIDSS4Health) and is carried out in cooperation with the German Cancer Research Center (DKFZ) in Heidelberg.
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.
Gi fachgruppe dh.jpg GI Special Interest Group Digital Health
The interdisciplinary special interest group Digital Health will examine current issues relating to the use of IT in healthcare and medicine from a variety of perspectives. The special interest group is to serve as a communication platform for stakeholders in the field of digital health. The goal is to offer researchers, practitioners and policymakers a central point of contact for the exchange and consolidation of research work and practical issues.
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.
Automatedclompliance.png Security & Compliance Automation
The project 'Security & Compliance Automation' 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.
Toward better Development of Applications on DLT
Distributed Ledger Technology (DLT) is promising to innovate collaborative inter-organizational work using applications on DLT. However, such applications come with new challenges regarding software architecture and, in particular, smart contract development. Various incidents such as The DAO hack or the Parity hack have shown the devastating impact of flawed smart contracts or applications on DLT. In order to support developers to overcome extant challenges in the development of applications on DLT, we aim to derive software design patterns from existing best practices in the development of applications on DLT.
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


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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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