Okinawa Tourist Service Inc. (hereinafter, “OTS”) conducted an investigation and temporarily suspended new reservations for certain services after identifying that customers’ personal information handled by services operated by OTS may have been leaked. As a result of subsequent investigations, it was confirmed that some customers’ personal information was leaked to external parties. OTS sincerely and deeply apologizes for the inconvenience and concern this incident has caused valued customers.

Background and Response to Date
After receiving an inquiry from an external party regarding a possible leakage of personal information and conducting an initial investigation, OTS confirmed the possibility that personal information had been leaked. For security purposes, from October 18, 2026, OTS blocked external access to the relevant website, and from 4:30 p.m. on October 20, OTS temporarily suspended new reservations for certain services operated by OTS, including “OTS Rent-a-Car.” With the cooperation of external experts, OTS has continued to carry out a detailed investigation. In the course of this investigation, OTS confirmed that some customers’ personal information was leaked. OTS is continuing the investigation and taking necessary measures, including reporting the incident to the police and the Personal Information Protection Commission (Japan). OTS has confirmed a match between information believed to have been leaked externally and information held by OTS and has thus have determined that some customers’ personal information was leaked.

Services for Which New Reservations Are Temporarily Suspended:
・OTS Rent-a-Car
・OTS HOTEL
・OTS ACTIVITIES
・Digital DMO Platform
・OTS Club

Customers who completed applications for OTS services before 4:30 p.m. on October 20, 2026 can continue to use the services for which they applied.

At this time, the maximum number of customers is approximately 730,000. The information stored in the system that is now considered to have been the source of the leakage is outlined as follows:
・Name
・Date of birth
・Gender
・Address
・Telephone number
・Email address
・Facebook ID
・Date of issue and expiration date of driver’s license*
・Driver’s license* number
Please note that the system potentially affected by this incident did not store credit card information, and no leakage of credit card information has been found.
Images of driver’s licenses* (up to 6,000 files) are stored in a separate database, and OTS is continuing to investigate whether those images were leaked.
*Driver’s licenses issued in Japan

Future Measures
OTS will continue to conduct a detailed investigation in cooperation with external experts. If any new facts come to light, OTS will promptly provide an update on its official website and through other appropriate channels.

Requests to OTS Customers
There is a possibility that the leaked information may be misused and that you may receive emails, SMS messages, phone calls, or other communications impersonating OTS or related parties. Please do not click on links or open attachments in messages that you do not recognize, and do not share passwords, authentication codes, credit card information, or other sensitive information via these channels. OTS will never ask you to provide passwords or credit card information by email, SMS, or telephone.

Related Press Release(s):
Notice Regarding Potential Leakage of Customers’ Personal Information and Temporary Suspension of Services
Notice Regarding Potential Leakage of Customers’ Personal Information and Temporary Suspension of Services

Contact Regarding This Matter

Inquiries regarding services:
OTS Rent-a-Car: otsrc.change@otsinfo.co.jp
OTS HOTEL　otsh.change@otsinfo.co.jp
OTS ACTIVITIES　otsa.change@otsinfo.co.jp

Media inquiries:
Okinawa Tourist Service Inc., Administration Department, General Affairs Section
ots.press@otsinfo.co.jp