This was a despicable cyber-attack exploiting the vulnerability of a supply chain. Major manufacturers should conduct a comprehensive review of their risks, including those of their business partners.
Toyota Motor Corp. suspended the operation of all 28 production lines at its 14 plants in Japan on March 1. This move was prompted by a cyber-attack on an auto parts company that is one of Toyota's suppliers, preventing the automaker from receiving parts.
Toyota was to resume production on March 2. However, this is an extraordinary situation in which all the domestic plants of Toyota, Japan's largest manufacturer, were shut down at once, interrupting the production of 13,000 units.
