Cybersecurity has long been indispensable in finance, HR, government administration and other fields that depend heavily on data. Cybersecurity is now also pivotal to the most physical of economic sectors: manufacturing. While the recent ransomware strikes, including the “WannaCry” virus, garnered tremendous publicity for their impacts on commercial and government websites, one of the biggest impacts was on a physical manufacturer: a Honda plant in Japan was forced to halt production. This wasn’t unusual. In June 2017, more than half of the organizations targeted by the Petya, or Expetr, cyberattack were industrial firms.