Bridgestone reports ransomware attack on US subsidiary after Toyota report

Japanese tire maker Bridgestone said Friday that its U.S. subsidiary had been hit by a ransomware attack, just weeks after suppliers of automaker Toyota Motor News reported a similar attack.

Bridgestone said in a statement that on February 27 Bridgestone had unauthorized access to third parties in America, requesting that it shut down its computer network. It said it had reconnected the network after a comprehensive security check.

An investigation later determined the incident was a ransomware attack, Bridgestone said.

The announcement comes about two weeks after Toyota’s main supplier, Denso, a group company operating sales and engineering in Germany, detected unauthorized access through a ransomware attack.

Another Toyota supplier was the victim of a cyber attack late last month, prompting Japan’s largest automaker to shut down domestic production for a day on March 1, affecting the output of about 13,000 vehicles.

Thomson Reuters 2022

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