OT Network Modernization Assessment Report

This document is a technical report detailing the assessment of the operational technology (OT) network for a large utility client in the energy and utilities sector. The objective was to evaluate the process control network, which had been experiencing significant outages, and to provide recommendations for enhancing resiliency and redundancy. Windval conducted a comprehensive assessment that focused on identifying mission-critical issues while establishing a foundation for future improvements. The approach included building trust with stakeholders, addressing both design and operational network challenges, and reviewing the people and processes involved, not just the technology. Key recommendations were made to ensure a reliable and secure network, resulting in a prioritized roadmap for the client. The report outlines the importance of a stable network for operational success and customer satisfaction, culminating in actionable plans for modernization.