Japanese carmaker, Toyota Motor Corp, on Monday said it was preparing to shutdown all of its plants in Japan as from March 1 due to a cyber attack on one of its domestic suppliers, according to local media reports.

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Toyota will temporarily shutdown operations at 28 production lines in 14 factories nationwide.

Supplier, Kojima Industries, suspects it may have been hit by a cyberattack, the supplier makes metal, plastic and electronic components.

Toyota has been suffering from chip shortages and COVID-19-related disruptions since January.

The latest shutdown comes at a time when the automaker is looking to ramp up production and make up for lost production to meet the soaring demand for cars.