The carmaker said it detected an intrusion on December 5, 2023, and informed customers about a disruptive cyber incident the same day
2023 article
In an update posted on Wednesday, Nissan Oceania said it has started contacting impacted individuals.
https://www.nissan.com.au/website-update.html
The attack impacted Nissan Motor Corporation and Nissan Financial Services in Australia and New Zealand.