The energy system has increasingly become a target for hackers, cyber criminals and state-backed actors, making the protection of grids, pipelines, power plants and other infrastructure a top priority for governments and companies. Successful attacks can have devastating consequences for human welfare, economies, national security and the integrity of company assets. What does the current threat landscape look like? How can companies and governments protect themselves? How can governments and industry work together to prevent attacks before they happen and respond effectively when they do occur?