TOKYO -- Dozens of Japanese companies including Toyota Motor and Hitachi are collaborating in an industrywide initiative to improve cybersecurity for automobiles.
Over 100 companies eye rules on software inventories to deter attacks

Cars are lined up at a Toyota Motor assembly plant in the Japanese city of Miyawaka. A vehicle's software can span over 200 million lines of code. (Photo by Toshiki Sasazu)
TOKYO -- Dozens of Japanese companies including Toyota Motor and Hitachi are collaborating in an industrywide initiative to improve cybersecurity for automobiles.