In March, a parts manufacturer in Aichi Prefecture, which was hit by a cyber attack that led to the shutdown of Toyota Motor's factory, released an investigation report.
Among them, it was revealed that the remote connection device of the subsidiary had a "vulnerability" and was illegally accessed, but no information leakage was confirmed at this time.
Kojima Industries Corporation, a parts manufacturer of Toyota Motor Corporation's business partner in Toyota City, Aichi Prefecture, suffered a system failure due to a cyber attack, and Toyota shut down all domestic factories last month.
Kojima Industries Corporation announced that virus infections and threatening messages were confirmed on some servers, and has been proceeding with restoration work and full elucidation with the cooperation of outside experts.
According to a research report released by the company, it is clear that the remote connection device used by the subsidiary for dedicated communication with a specific business partner has a "vulnerability", which triggered unauthorized access. I am doing it.
Then, the network of the subsidiary invaded the in-house network of "Kojima Industries" and confirmed the traces of the attack on the server and the personal computer.
The report also revealed that the threatening message displayed did not include a specific amount of money requested and that the company did not contact the attacker.
"Kojima Industries" says that there is no evidence that information has been taken out to the outside at this time, and no information leakage has been confirmed, and it is trying to prevent recurrence by taking advanced information security measures.