Toyota Motor said on Friday that it has discovered that about 296,000 customer data from its T-Connect service may have been leaked.
Toyota said 296,019 email addresses and customer numbers of those who use T-Connect, a telematics service that connects vehicles via a network, may have been leaked. Affected customers are people who registered on the service's website with their email addresses since July 2017.
Based on an investigation by security experts, third-party access could not be confirmed from the access history of the data server where the information was stored, Toyota said in a statement.
At the same time, he added that access by third parties "cannot be completely ruled out".
But there was no chance that users' sensitive personal information, such as names, phone numbers, or credit card information, was leaked, Toyota said.
The Japanese automaker has not confirmed cases of misuse of information but warned that there is a possibility of sending spam, phishing scams, and unsolicited e-mail messages to users' e-mail addresses.
The automaker said the vendor that developed the T-Connect website mistakenly uploaded parts of the source code with public settings from December 2017 to September 15 this year.
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