IEC/TR 62351-90-3 Ed. 1.0 en:2021 PDF

IEC TR 62351-90-3:2021, which is a technical report, provides guidelines for efficiently handling both IT and OT data in terms of their monitoring, classification and correlations on them to deduce any possible useful outcomes about the state of the power system.
The convergence of information technologies (IT) and operational technologies (OT) refers to the integration of the systems, processes and data associated with the domains of IT and OT. This document provides guidelines for a comprehensive security monitoring for power grid components based on IT/OT convergent systems. The emphasis is about the development of a methodology and a set of recommendations for utility operators to build a general monitoring framework based on the analysis of the data collected from different IT and OT systems through network management, traffic inspection, and system activity readings.