This EPRI white paper explores how digital twins—real-time data-driven models of physical systems—can improve OT cybersecurity for utilities. It outlines use cases such as zero-day exploit detection, attack resiliency, and patch management. Key challenges include data preparation, integration across silos, and workforce skills. Vendors like GE, Microsoft, and Bentley offer platforms that support digital twins with cybersecurity applications. The report recommends further research into real-world deployments and stresses that successful implementation depends on utilities adopting strong data-centric practices.

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