There is the confidence that the globalised, networked systems we have built are resilient enough to overcome significant disruptions. What if this confidence is misplaced? This article seeks to answer this question in relation to what is likely the most important of humankind’s networks: the electrical grid. Two methods for conducting a cyber attack against the electrical grid will be considered; the first for disrupting the grid, and the second for destroying core elements. A warning will be offered to the West not to rely on technological supremacy in cyberspace as a deterrent to cyber attacks.