Toyota Motor will shut down all plants in Japan on the 1st due to a system failure at a major customer parts manufacturer.


The company considers that it may have been hit by a cyber attack and is investigating the cause, and is rushing to restore the system with the aim of resuming operations as soon as possible.

Toyota Motor Co., Ltd. had a system failure last night at one of its major customers, the parts manufacturer Kojima Press Industry Co., Ltd. in Toyota City, Aichi Prefecture. Announced that it will stop operating for one day.



All factories that manufacture Toyota cars will be shut down.



According to the parts manufacturer, on the night of February 26, it detected a signal that one of the servers went down and took steps to turn off all the servers in the company for safety.



As a result, it became impossible to exchange data such as the number and timing of parts to be delivered with Toyota.



It seems that Toyota has decided to suspend the operation of all plants because it may hinder future production because parts of this manufacturer are used in many car models.



According to the company, it will not be possible to produce about 13,000 units a day.



Toyota believes that the parts manufacturer may have been hit by a cyber attack and is investigating the cause, and is rushing to restore the system with the aim of resuming operations as soon as possible.

Factory to stop operation

The next plant that is assembling finished Toyota vehicles will be shut down.



Toyota Motor's


▽ Motomachi Plant,


▽ Takaoka Plant,


▽ Tsutsumi Plant and


▽ Tahara Plant in Tahara City, Aichi Prefecture.



▽ Miyata Factory of Toyota Motor Kyushu in Miyawaka City, Fukuoka Prefecture.



Toyota Motor East Japan's


Miyagi Ohira Factory in Ohira Village, Miyagi Prefecture,


and the Iwate Factory in Kanegasaki Town, Iwate Prefecture.



Toyota Auto Body


▽ Fujimatsu Factory in Kariya City, Aichi Prefecture , ▽


Yoshiwara Factory in Toyota City,


▽ Inabe Factory in Inabe City, Mie Prefecture.



Toyota Motor Group


's factory in Kakamigahara City, Gifu Prefecture, and


Toyota Industries' factory in Obu City, Aichi Prefecture.

In addition, there are 14 factories in total , including the Kyoto factory in Oyamazaki-cho, Kyoto Prefecture,



which is outsourced to Toyota,

and the Hamura factory in Hamura, Tokyo, which is Hino Motors.

In addition, Hino Motors will also shut down its Furukawa Plant in Koga City, Ibaraki Prefecture, which produces trucks and other products.





Suspicion of "ransomware" used Police authorities to investigate

According to an interview with a person concerned, it is suspected that a ransomware-type malicious program called "ransomware" was used in the attack due to a problem that Toyota Motor's business partners seemed to have been hit by a cyber attack.



Police authorities are planning to confirm the detailed damage situation and proceed with the investigation.



Toyota Motor announced on the 1st that it will shut down all domestic factories, and according to the people concerned, Kojima Press Industry in Toyota City, Aichi Prefecture, which manufactures car parts with major customers, launched a cyber attack It is believed that the cause was that it was received.



Currently, companies and others are investigating the detailed situation, but it was found by interviewing the people concerned that there is a suspicion that a ransomware program called "ransomware" was used for the attack.



We are currently in the process of confirming the details of specific requests.



"Ransomware" is a malicious program that automatically locks the system to make it unusable or encrypts stored data when a computer is infected, and demands money in exchange for restoration. I'm out.



Police authorities are planning to confirm the detailed situation of the attack and proceed with the investigation in cooperation with related organizations.

"Ransomware" Damage continues all over the world

According to the National Police Agency, the number of cases of cyber attacks using malicious programs called "ransomware" is increasing recently.



"Ransomware" is a malicious program that automatically locks the system to make it unusable or encrypts stored data when a computer is infected, and demands money in exchange for restoration. I'm out.



In Japan, at least 146 cases of damage were reported in the last year.



Targets are companies with cutting-edge technology and medical institutions, with 55 companies in the manufacturing industry accounting for 38% of the total.



In the automobile industry as well,

it is believed that "ransomware" was used in ▽


cyber attacks that damaged Honda and


▽ attacks that were received by parts makers and overseas subsidiaries of Denso last year .

Police authorities are working with relevant organizations to increase vigilance and are calling on businesses and others to further strengthen security measures.




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