Investigation Status and Response Regarding Unauthorized Access to Our Systems
手間いらず株式会社
The accommodation reservation management system “TEMAIRAZU” and accommodation reservation information handled through that system
Unauthorized access to our systems by a third party. The disclosure states that the point of origin of the incident has been identified, but the specific cause is Not disclosed
Company response
Some functions of our systems were temporarily suspended from approximately 10:58 a.m. to approximately 9:48 p.m. on 24 September 2026. This restricted some output, configuration, and confirmation work using the affected functions, but the core engine linking reservations, inventory, and rates as a whole was not stopped
Approximately 9:48 p.m. on 24 September 2026 (resumed the same day)
The investigation and analysis were commissioned to an external security specialist. Information on a third-party committee or special investigation committee is Not disclosed
Strengthening access controls and monitoring systems, continuous monitoring, necessary additional measures and recurrence-prevention measures, and further strengthening the security framework
Costs are expected to arise for investigations by an external security specialist, security enhancements, and responses to accommodation facilities and individuals with reservations, among other items. The amount and accounting classification are Not disclosed, and a reasonable estimate is difficult to calculate
As investigations into the scope of the impact and the review of related costs and other items are ongoing, it is currently difficult to reasonably calculate the impact on earnings. If a material impact requiring a revision to the earnings forecast or other disclosure is identified, it will be disclosed promptly.
Related procedures
Report to the Personal Information Protection Commission and consultation with the police
Personal Information Protection Commission and police
The investigation will continue in cooperation with an external security specialist, and necessary additional measures and recurrence-prevention measures will be implemented based on the findings and recommendations. We will further strengthen the security framework and work to restore trust.
If any material facts requiring new disclosure are identified, they will be disclosed promptly.
| Item | Details |
|---|---|
| Event name | Investigation Status and Response Regarding Unauthorized Access to Our Systems |
| Date of occurrence | 21 September 2026 (the date on which an internal investigation was initiated after receiving reports from multiple accommodation facilities about suspicious messages; the date of the unauthorized access itself is Not disclosed) |
| Date recognized / date notice received | 21 September 2026 (the date on which reports were received that suspicious messages had been sent from multiple accommodation facilities) |
| Subject Entity | 手間いらず株式会社 |
| Target Locations / Products | The accommodation reservation management system “TEMAIRAZU” and accommodation reservation information handled through that system |
| Cause | Unauthorized access to our systems by a third party. The disclosure states that the point of origin of the incident has been identified, but the specific cause is Not disclosed |
| Amount of Impact on Business Performance | Costs are expected to arise for investigations by an external security specialist, security enhancements, and responses to accommodation facilities and individuals with reservations, among other items. The amount and accounting classification are Not disclosed, and a reasonable estimate is difficult to calculate |
| Impact on Earnings Forecast | As investigations into the scope of the impact and the review of related costs and other items are ongoing, it is currently difficult to reasonably calculate the impact on earnings. If a material impact requiring a revision to the earnings forecast or other disclosure is identified, it will be disclosed promptly. |
| Type of litigation or proceeding | Report to the Personal Information Protection Commission and consultation with the police |
| Court or authority | Personal Information Protection Commission and police |
| Suspended operations | Some functions of our systems were temporarily suspended from approximately 10:58 a.m. to approximately 9:48 p.m. on 24 September 2026. This restricted some output, configuration, and confirmation work using the affected functions, but the core engine linking reservations, inventory, and rates as a whole was not stopped |
| Scheduled resumption date | Approximately 9:48 p.m. on 24 September 2026 (resumed the same day) |
| Investigation structure | The investigation and analysis were commissioned to an external security specialist. Information on a third-party committee or special investigation committee is Not disclosed |
| Measures to prevent recurrence | Strengthening access controls and monitoring systems, continuous monitoring, necessary additional measures and recurrence-prevention measures, and further strengthening the security framework |
| Outlook | The investigation will continue in cooperation with an external security specialist, and necessary additional measures and recurrence-prevention measures will be implemented based on the findings and recommendations. We will further strengthen the security framework and work to restore trust. |
| Planned follow-up disclosure | If any material facts requiring new disclosure are identified, they will be disclosed promptly. |
Items this document does not state (9)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.Because accommodation reservation information may have been viewed or obtained through unauthorized access to our systems by a third party, costs are expected to arise for investigations by an external security specialist, security enhancements, and responses to users, among other items.