https://www.powermag.com/securing-the-power-grid-cybersecurity-strategies-for-smart-energy-systems/
"dispersed nature of #smartgrids, with thousands of interconnected devices like #smartmeters, #sensors, and distributed energy resources #DER's, creates a vast attack surface. For #substations, many operate #legacysystems (such as supervisory control and data acquisition #SCADA, which are essential for monitoring and control, and are prime targets."