Apology and Notice Regarding Personal Information Leak of Customers (First Report)


To whom it may concern,

Carpaydiem Co., Ltd
Nobuaki Chatani, Representative Director

We regret to inform you that Carpaydiem Co., Ltd (Headquarters in Shibuya-ku, Tokyo) has confirmed a data breach of our customers’ personal information. We deeply apologize for any inconvenience and concern caused to our customers and related parties.


How The Breach was Discovered:

On August 22nd, 2023, around 5:00 PM (Japan local time), we detected through a notification from a security vendor that there was a post on an overseas website indicating a security breach. After investigation, we have confirmed there was a leak of customers’ personal information.

Details of the Leaked Information:

Customer Data including Name, Customer ID, Phone number, Email Address, Address, Nickname, etc.

Number of Customers Affected by this Incident:

All Customers who accessed our website up until June 2023
(Currently estimated to be 162,000 cases. As we export and sell used vehicles in Japan, our customer base mainly resides overseas.)

We are currently continuing our investigation. Regarding, we have already implemented measures to block external access. We will continue to disclose any necessary information on our company’s website as it becomes available. Additionally, we will promptly assess the details and scope of the leak while consulting with the police and other relevant parties and take appropriate measures and preventive actions.

If you receive any suspicious phone calls, mail, or emails related to this incident, please exercise caution when reviewing and responding to said correspondence.

For inquiries regarding this matter, please contact the following:

Customer Inquiry Contact: +81-3-5778-4220

General Customer Support Email Address: