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Buck, Christoph ; Olenberger, Christian ; Schweizer, André ; Völter, Fabiane ; Eymann, Torsten:
Never Trust, Always Verify : A Multivocal Literature Review on Current Knowledge and Research Gaps of Zero-trust.
In: Computers & Security.
Bd. 110
(2021)
.
- 102436.
ISSN 0167-4048
DOI: https://doi.org/10.1016/j.cose.2021.102436
Angaben zu Projekten
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Offizieller Projekttitel Projekt-ID Projektgruppe WI IT-Sicherheit und Datenschutz Ohne Angabe |
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Abstract
In response to weaknesses of current network security solutions, the zero-trust model follows the idea that no network – whether internal or external – is trustworthy. The concept of zero-trust is enjoying increasing attention in both research and practice due to its promise to fulfil complex new network security requirements. Despite zero-trust’s advantages over traditional solutions, it has not yet succeeded in replacing existing approaches. Uncertainty remains regarding the concept’s distinct benefits and drawbacks for organisations and individuals, which hinders a holistic understanding of zero-trust and wide-spread adoption. Research can make valuable contributions to the field by systematically providing new insights into zero-trust. To support researchers in this endeavour, we aim to consolidate the current state of the knowledge about zero-trust and to identify gaps in the literature. Thus, we conduct a multivocal literature review, analysing both academic and practice-oriented publications. We develop a research framework for zero-trust to structure the identified literature and to highlight future research avenues. Our results show that the academic literature has focused mainly on the architecture and performance improvements of zero-trust. In contrast, the practice-oriented literature has focused on organisational advantages of zero-trust and on potential migration strategies. However, economic analyses and user-related studies have been neglected by both academia and practice. Future research may rely on our findings to advance the field in meaningful ways.