What's Happening?
More than 370 organizations participated in GridEx VIII, a major security exercise focused on the electricity industry in North America. Organized by the Electricity Information Sharing and Analysis Center
(E-ISAC) of the North American Electric Reliability Corporation (NERC), GridEx tests both cyber and physical security measures of the power grid. This year's event saw a significant increase in participation, with nearly 50% more organizations involved compared to the previous GridEx VII in 2023. The exercise included small- and medium-sized utilities and Canadian partners, reflecting recommendations from past reports. Participants engaged in scenarios simulating real-world cyber and physical threats to test emergency preparedness plans and protocols. A report detailing the lessons learned from GridEx VIII is expected in early 2026.
Why It's Important?
The increased participation in GridEx VIII highlights the growing concern over cybersecurity threats to the power grid, a critical infrastructure in North America. The exercise aims to bolster collective defense and resilience against potential attacks, which have been increasingly targeting electric utilities. For instance, Nova Scotia Power in Canada faced a ransomware attack, and China's Volt Typhoon hackers breached a public power utility in Massachusetts. By engaging various sectors, including natural gas, water/wastewater, and telecommunications, GridEx VIII fosters cross-industry collaboration essential for safeguarding the power grid. The exercise underscores the importance of proactive measures and international cooperation in maintaining the security and reliability of energy supplies.
What's Next?
The forthcoming report on GridEx VIII will provide insights into the effectiveness of current security protocols and suggest improvements. Stakeholders, including utility companies and government agencies, are likely to review these findings to enhance their cybersecurity strategies. The increased participation from Canadian partners and other sectors may lead to more integrated approaches to grid security. As cyber threats evolve, continuous collaboration and adaptation of security measures will be crucial. Future GridEx exercises may expand further to include more international partners, reflecting the global nature of cybersecurity challenges.











