Thank you for your continued patronage of Matsuyama Yushi.
On Saturday,September4, 2024, we received a report from Sekitu Corporation ("Sekitu"), the provider of the "Cloud Thomas" warehouse management system used in our online store, that "personal information may have been leaked as a result of a cyber attack by ransomware. ("Sekitsu"), the provider of the warehouse management system "Cloud Thomas" used in our online store, reported that there is a possibility of personal information leakage due to a cyber-attack by ransomware.
After receiving the report, we have been in close contact with Sekitu and have requested information on whether or not a leak of personal information has occurred and the extent of damage, placing the highest priority on promptly providing accurate information to our customers. The results were posted on our website on September7 (first report), September24 (second report), and September30 (third report). On October8, we received a final report from Sekitu stating that "as a result of a series of investigations by an external security specialist company and continuous monitoring of the leaked site, no information leakage has been confirmed. The company has posted an article on its website and submitted a similar report to the Personal Information Protection Commission.
Confirmation Report Concerning Possible Leakage of Personal Information】*The Sekitu website will open. https://www.kantsu.com/news/6628/
With the results of the above investigation, we would like to inform you that we have not confirmed any leakage of personal information of our customers, and this is our final report on this matter.
＜For further information, please contact
Matsuyama Yushi Customer Service Center
020-800-642（9: 30～6 :30 Closed on weekends and holidays )
Click here for inquiry form
2024.09.30
[Third Report] Possible Leakage of Personal Information in Our Online Store
Thank you for your continued patronage of Matsuyama Yushi.
We sincerely apologize for any concern or inconvenience this may cause you.
(hereinafter referred to as "Kantu" ) posted a third report on its website regarding this matter on September 28, 202.
Notice of System Outage Incident Due to Cyber Attack ( Third Report)] *Open the Sekitu website.
https://www.kantsu.com/news/665/
As of September 30, we have not received any notification from Kantu that it has confirmed the leakage of personal information of our customers. In the unlikely event that a leak of personal information of customers who have ordered from us is reported by Kantu in the future, we will promptly report it on our website and contact the relevant customers individually.
Matsuyama Yushi Customer Service
020-800-642（9:30～6 :30Closed on weekends and holidays)
Click here for inquiry form
2024.9.24
[Second Report] Possible Leakage of Personal Information in Our Online Store
Thank you for your continued patronage of Matsuyama Yushi. We sincerely apologize for any concern or inconvenience caused by the possible leakage of personal information at our online store. The following is a summary of the information that has become known as of today.
On Saturday, September 4, 2024, we received a report from Sekitsu that there was a possibility of personal information leakage due to a cyber-attack by ransomware. The incident of the system shutdown due to the cyber attack was reported by Sekisui Telecommunications.
Report on a case of system outage due to a cyber attack】※The Sekitu website will open.
https://www.kantsu.com/news/
After this incident occurred, on September 20, we sent a written request for information to the Director of the Emergency Response Office. The details of the request are as follows
In the event that the leakage of personal information from the Kantu server is revealed, the Group must individually inform its more than 00,000 customers of the leakage and apologize for the leakage of their personal information. Therefore, in the event that a leak of personal information by the Group becomes apparent, we would like to receive a report by the end of the day without delay, as well as the provision of data on the content of the leak.
In response to the above request, we received a response on the same day from the Director of the Cyber Terrorism Emergency Countermeasures Office at Kantoku, stating that if an information leak is confirmed, it will be reported promptly on the same day. Therefore, we recognize that no information leakage has occurred at this point in time. In the unlikely event that there is a report of an information leak from Kantu in the future, we will promptly report it on our website and contact the relevant customers individually.
020-800-642（9:30～6:30 Closed on weekends and holidays)
Click here for inquiry form
September 7, 2024
Apology and Notice] Possible Leakage of Personal Information in Our Online Store
Thank you for your continued patronage of Matsuyama Yushi. We would like to apologize for the possible leakage of personal information at our online store.
On September4, 2024(Saturday), we received a report from Sekitsu that there was a possibility of personal information leakage due to a cyber-attack by ransomware. We have received a report that there is a possibility of personal information leakage due to a ransomware cyber-attack from Sekitu.
Notice of System Outage Incident Caused by Cyber Terrorism by Kantu] https://www.kantsu.com/news/6573/
The personal information that may have been leaked at this time is as follows
Personal information of customers who placed orders at the online store after 00: 00 on January30, 2024(Tuesday) 《After February, 2024 arrival time》.
() Name, (2) Address, (3) Telephone number, e-mail address, *Payment method, order details
For ①, ②, and ③ above, both the person who placed the order and the recipient of the order.
*There is no possibility of leakage of information related to payment, such as credit card numbers, etc., as this is only a payment method category.
The fact of the personal information leak, the subject of the leak, and other details are currently under investigation. We will report as soon as the details become clear.
Investigation and Reporting Schedule]
・ September24(Tuesday): Preliminary interim report scheduled
Other reports will be issued as soon as details become available.
Orders placed after 00: 00 on September 2(Thu.) will be shipped without using this system. We deeply apologize for any concern or inconvenience this may cause to customers who have used our online store.
We will report the results of our investigation and confirmation of the facts to you as soon as possible, and we will work together with Sekitsu, the provider of the system, to prevent a recurrence of such an incident.
＜For further information, please contact
Matsuyama Yushi Customer Service
020-800-642 (9:30 a.m. to 4 :30 p.m. Closed on weekends and holidays )
Click here for inquiry form