It is actually a serious cyber security incident, with many questions for Toyota to answer.
An outsourced developer left crucial security information, that could have exposed hundreds of thousands of customer records on a public facing repo on GitHub. This was done in 2017 and only discovered in September 2022, at which time Toyota took steps to secure the servers and data.
Key to Toyota customer info left out on GitHub for years • The Register
Your takeaway from this is – well read this article to understand how easily it is to lose control of information you should keep secret:
What do you know about your website? – CyberAwake
Clive Catton MSc (Cyber Security) – by-line and other articles