Digital Twins and the Future of their Use Enabling Shift Left and Shift Right Cybersecurity Operations
Ahmad Mohsin, Helge Janicke, Surya Nepal, David Holmes

TL;DR
This paper envisions Security Digital Twins (SDTs) that leverage real-time data and the Shift Left/Right paradigm to enhance cybersecurity in critical cyber-physical systems, addressing future challenges in data reliability and threat detection.
Contribution
It introduces the concept of SDTs with a Shift Left and Shift Right framework, integrating virtual components and data fusion for proactive and reactive cybersecurity operations.
Findings
Proposes a novel SDT design paradigm for cybersecurity.
Highlights the importance of data fusion from virtual CPS components.
Discusses operational use cases for SDTs in critical systems.
Abstract
Digital Twins (DTs), optimize operations and monitor performance in Smart Critical Systems (SCS) domains like smart grids and manufacturing. DT-based cybersecurity solutions are in their infancy, lacking a unified strategy to overcome challenges spanning next three to five decades. These challenges include reliable data accessibility from Cyber-Physical Systems (CPS), operating in unpredictable environments. Reliable data sources are pivotal for intelligent cybersecurity operations aided with underlying modeling capabilities across the SCS lifecycle, necessitating a DT. To address these challenges, we propose Security Digital Twins (SDTs) collecting realtime data from CPS, requiring the Shift Left and Shift Right (SLSR) design paradigm for SDT to implement both design time and runtime cybersecurity operations. Incorporating virtual CPS components (VC) in Cloud/Edge, data fusion to SDT…
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Taxonomy
TopicsDigital Transformation in Industry · Software System Performance and Reliability · Big Data and Business Intelligence
