Overview[]
he objectives of the NERC Grid Security Exercise (GridEx) series are to use simulated scenarios (with NO real-world effects) to exercise the current readiness of participating Electricity Sub-sector entities to respond to cyber or physical security incidents and provide input for security program improvements to the bulk power system. GridEx is a biennial international grid security exercise that uses best practices and other contributions from the Department of Homeland Security, the Federal Emergency Management Agency, and the National Institute of Standards and Technology.