Abstract
Shadow information technology systems (SITS) coexist with formal enterprise systems in organisations. SITS pose risks but also increase flexibility of business units. Practice shows that SITS emerge, despite that Enterprise Architecture Management (EAM) aims at controling all IT systems in an organization. Studies acknowledge this problem in general. However, they neither show the specific influencing areas of SITS nor provide approaches to address them. To close this gap, we use a literature review to analyse examples of practical SITS and their interference with EAM concerns. Thus, we find that they hinder especially transparency, reduction of EA complexity and governance. Research has focused on achieving transparency, governing the evolution of the EA but lacks strategies for reducing complexity. This study contributes to research and practice by uncovering the main influencing areas of SITS on EAM, as well as by laying a foundation for future research on this topic.
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- 1.
To identify relevant literature, we based on existing literature [2] and detected keywords and databases that have proven relevant in the context of SITS. As a result, we conducted a full-text literature search using the keywords (shadow/feral) systems, (shadow/grey/hidden/rogue) IT joined with information (technology/services/systems/security) and querying several academic databases (Ebscohost, ScienceDirect, ProQuest, IEEE Xplore, ACM Digital Library, AISeL and Jstor), IS journals and proceedings of established IS conferences.
- 2.
Applying the four-eye principle we removed publications by screening the title, abstract and keywords that did not fit our topic: Some use the term SITS in a different context, e.g. in the field of databases. Other examples are publications, where it does not mean information technology but rather just the term it.
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Appendix A – Coding of Examples
Appendix A – Coding of Examples
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Huber, M., Zimmermann, S., Rentrop, C., Felden, C. (2017). The Influence of Shadow IT Systems on Enterprise Architecture Management Concerns. In: Themistocleous, M., Morabito, V. (eds) Information Systems. EMCIS 2017. Lecture Notes in Business Information Processing, vol 299. Springer, Cham. https://doi.org/10.1007/978-3-319-65930-5_37
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