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Business & Information Systems Engineering

Document Type

Research Paper

Abstract

The increased reliance of organizations on information technology inherently increases their vulnerability to cyber-security attacks. As a response, a host of cyber-security approaches exists. While useful, these approaches exhibit shortcomings such as an inclination to be fragmented, not accounting for up-to-date organizational data, focusing on singular vulnerabilities only, and being reactive, i.e., focusing on patching up vulnerabilities in current systems. The paper presents and evaluates a modeling method aiming to address those shortcomings and to support security by design with a focus on the electricity sector. The proposed modeling method encompasses a multi-level reference model reconstructing and integrating existing initiatives and supporting top-down and bottom-up analyses. Compared to earlier work, the paper contributes (1) a process model for cyber-security by design, which proactively considers security as a first-class citizen during the design process, (2) a complete coverage of the multi-level model, in terms of three views complementing the introduced process model, (3) an elaborated evaluation, in terms of reporting on an additional design science cycle.

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