# Important Notice Regarding Unauthorized Access to Our Reservation Management System Dear Guests, Thank you for choosing Hotel 88 Shinsaibashi. We would like to inform you regarding an unauthorized access incident involving the reservation management system used by our hotel. Our hotel uses the reservation management system “TEMAIRAZU,” provided by TEMAIRAZU, Inc. TEMAIRAZU, Inc. has confirmed that an unauthorized third party accessed its system, and that some guest reservation information stored in the system may have been viewed or obtained. We sincerely apologize for any concern and inconvenience this incident may cause to our valued guests. ## 1. Overview of the Incident On September 21, 2026 (Japan Standard Time), TEMAIRAZU, Inc. identified unauthorized access to its system following reports that some guests had received suspicious messages. According to TEMAIRAZU, Inc., the cause of the incident was a security issue in a feature of a service previously provided by the company. The affected system component was identified, and measures to address the issue and prevent recurrence were completed on September 26, 2026. ## 2. Information That May Have Been Affected Based on the information currently available, some reservation information stored in the system may have been viewed or obtained by an unauthorized third party. The potentially affected information includes: * Guest name * Address * Phone number * Email address * Reservation details, including: * Hotel name * Booking website * Reservation number * Check-in date * Check-out date * Accommodation charges Please note that credit card information is not stored or processed in this system, and no credit card information is involved in this incident. ## 3. Important Information for Guests Following this incident, there have been reports of suspicious messages impersonating accommodation providers being sent via email, SMS, WhatsApp, and other communication methods. These messages may request guests to access external websites or provide personal information or payment details. If you receive any suspicious messages, please: * Do not open any links contained in the message * Do not enter credit card information or personal information * Do not reply to suspicious messages * Do not make any payments or transfers requested through such messages To confirm your reservation details, please contact Hotel 88 Shinsaibashi or your booking platform through official channels only. Please note that this incident will not result in automatic cancellation of your reservation. ## 4. Contact Regarding This Incident For inquiries regarding this unauthorized access incident, investigation details, or whether your information may have been affected, please contact TEMAIRAZU, Inc., which is conducting the investigation and handling related inquiries. TEMAIRAZU, Inc. Emergency Helpdesk: Email: [helpdesk@temairazu.com](mailto:helpdesk@temairazu.com) For inquiries regarding your reservation or stay at Hotel 88 Shinsaibashi, please contact us through the official contact information provided on our website. We take this matter seriously and are working closely with TEMAIRAZU, Inc. to ensure appropriate measures are taken. We sincerely apologize for the concern and inconvenience caused to our guests. Hotel 88 Shinsaibashi