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Toyota Idles Japan Plants as Supplier Hit by Cyberattack

  • Parts maker Kojima Press found evidence of network breach
  • Japan to investigate any possible links to Russian involvement
Featured Vehicles During The Washington Auto Show
Photographer: Al Drago/Bloomberg
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Toyota Motor Corp.’s Japanese factories suspended output on Tuesday after a key parts supplier shut down its computer systems due to a cyberattack, the latest blow to the carmaker’s efforts to make up for lost production earlier this year.

The world’s top auto producer is halting operations at all 14 plants in its home country, impacting about 5% of output for the month. The stoppage is linked to Kojima Press Industry Co., which confirmed Tuesday its server was subject to a suspected ransomware attack over the weekend. Toyota shares rose less than 1% in Tuesday morning trading.