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Toyota stoppage highlights supply chain vulnerabilities

Cyberattacks on key links can shut down any manufacturer

Toyota's Takaoka plant, which halted production on March 1. (Photo by Yuki Nakao)

TOKYO -- Toyota Motor has halted operations at all 14 of its Japanese plants due to a cyberattack on one of its suppliers.

Unlike many of its competitors, the world's largest automaker has mostly dodged the impact of the global semiconductor shortage thanks to its procurement strength, but a ransomware takeover at one of its major suppliers has forced the company to suspend operations for an extended period.

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