Assessing cybersecurity of the US power grid

Mission critical

Energy Risk - Operational risk - cybersecurity

On August 19, 2006, operators of the Browns Ferry nuclear power plant in Alabama manually shut down the plant’s unit three reactor after its two main coolant pumps – whose continuous operation is needed to prevent a meltdown – simultaneously failed. Investigators later determined that the pumps had failed because of a ‘data storm’ on the plant’s internal computer network. For reasons that remain unclear, but that may have included a hardware glitch or faulty design, excessive traffic flooded the