Electric utilities in North America remain effective at addressing traditional threats such as severe weather, vegetation management and routine transmission disruptions. The evolving nature of physical, cyber and OT security is creating challenges that many companies are grappling with to ensure the resilience of their operations. An interconnected grid that incorporates computing, communications, markets and physical assets presents potential attackers with previously unknown opportunities that require a holistic approach to security. The era of security silos is vanishing, and those companies that can get past the nostalgia of organizational security independence will be the survivors.”]
Source: https://www.csoonline.com/article/3128402/security-convergence-in-a-utility-environment.html