In energy and cybersecurity: the ability and quality that enables energy systems to withstand extreme natural and manmade disasters, to recover and return to normal conditions in a timely and efficient manner, and to build back better, thereby securing a stable energy supply to society and reducing negative impacts on human lives and economic activities from energy supply disruption (APEC Energy Resiliency Principle) [Section 3(l), DOE Department Circular No. DC2025-01-001, Institutionalizing the Energy Sector Cybersecurity and Cyber Resilience Framework]
