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Occurring Fact4256CYND Co.,Ltd.Information and Communications, Services and Others

Apology and Report Regarding the Detection of Unauthorized Access Caused by a Cyberattack and the Potential Leakage of Information (Initial Report)

On 10 March 2026, unauthorized external access to the cloud-based appointment management system “BeautyMerit” was detected, and it was discovered that users’ personal information may have been leaked. The service is operating as usual, but an investigation is underway to determine whether any information was leaked and the scope of any such leakage.

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Apology and Report Regarding the Detection of Unauthorized Access Caused by a Cyberattack and the Potential Leakage of Information

Subject Entity

CYND Co.,Ltd. (the filing company)

Target Locations / Products

The cloud-based appointment management system “BeautyMerit” for beauty and hair salons, and users’ personal information managed through the system

Occurrence10 March 2026 (the date on which suspicious access to the Company’s systems was detected)
Same day
Awareness or receipt of notice10 March 2026 (the date on which suspicious access to the Company’s systems was detected)
This disclosure03/24/2026
Cause

Unauthorized access resulting from an external cyberattack

Company response

Suspended operations

None. No functions of “BeautyMerit” have been affected by this matter, and the system is operating as usual. The unauthorized access route has been blocked, and suspicious operations and processes by third parties have been stopped.

Investigation structure

The Company has commissioned an external security specialist to conduct an advanced investigation, including log analysis and other forensic procedures. An objective and detailed review by a third party is being conducted.

Measures to prevent recurrence

The Company has already implemented the security measures currently considered necessary, including strengthening network monitoring and imposing additional access restrictions on the system. Effective measures to prevent recurrence will be implemented based on the findings of the specialist investigation.

Accounting period in which recognized

Fiscal year ending March 2026

Impact on Earnings Forecast

The impact of this matter on the consolidated results of the Company’s group for the fiscal year ending March 2026 is currently considered to be minor. The Company will promptly disclose any new matters requiring disclosure.

Related procedures

Type

Report on the potential leakage of information to the Personal Information Protection Commission and notification of cyberattack damage to the police station with jurisdiction

Court or authority

Personal Information Protection Commission, police station with jurisdiction

Outlook

The Company will continue its investigation and cooperate with investigative authorities and other relevant parties. Facts as they are confirmed will be disclosed from time to time through the corporate website and other channels, and effective measures to prevent recurrence will be implemented based on the findings of the investigation.

Planned follow-up disclosure

The Company will provide a further report once the facts have been accurately established. Facts as they are confirmed will be disclosed from time to time through the corporate website and other channels.

Event that occurred
ItemDetails
Event nameApology and Report Regarding the Detection of Unauthorized Access Caused by a Cyberattack and the Potential Leakage of Information
Date of occurrence10 March 2026 (the date on which suspicious access to the Company’s systems was detected)
Date recognized / date notice received10 March 2026 (the date on which suspicious access to the Company’s systems was detected)
Subject EntityCYND Co.,Ltd. (the filing company)
Target Locations / ProductsThe cloud-based appointment management system “BeautyMerit” for beauty and hair salons, and users’ personal information managed through the system
CauseUnauthorized access resulting from an external cyberattack
Accounting period in which recognizedFiscal year ending March 2026
Impact on Earnings ForecastThe impact of this matter on the consolidated results of the Company’s group for the fiscal year ending March 2026 is currently considered to be minor. The Company will promptly disclose any new matters requiring disclosure.
Type of litigation or proceedingReport on the potential leakage of information to the Personal Information Protection Commission and notification of cyberattack damage to the police station with jurisdiction
Court or authorityPersonal Information Protection Commission, police station with jurisdiction
Suspended operationsNone. No functions of “BeautyMerit” have been affected by this matter, and the system is operating as usual. The unauthorized access route has been blocked, and suspicious operations and processes by third parties have been stopped.
Investigation structureThe Company has commissioned an external security specialist to conduct an advanced investigation, including log analysis and other forensic procedures. An objective and detailed review by a third party is being conducted.
Measures to prevent recurrenceThe Company has already implemented the security measures currently considered necessary, including strengthening network monitoring and imposing additional access restrictions on the system. Effective measures to prevent recurrence will be implemented based on the findings of the specialist investigation.
OutlookThe Company will continue its investigation and cooperate with investigative authorities and other relevant parties. Facts as they are confirmed will be disclosed from time to time through the corporate website and other channels, and effective measures to prevent recurrence will be implemented based on the findings of the investigation.
Planned follow-up disclosureThe Company will provide a further report once the facts have been accurately established. Facts as they are confirmed will be disclosed from time to time through the corporate website and other channels.
Items this document does not state (10)
Amount of Impact on Business PerformancePlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionScheduled resumption dateDirectors' and officers' liabilityVoting rights ownership percentage before the changeVoting rights ownership percentage after the change

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.

Unauthorized access resulting from an external cyberattack occurred.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Apology and Report Regarding the Detection of Unauthorized Access Caused by a Cyberattack and the Potential Leakage of Information (Initial Report) | CYND Co.,Ltd. (4256) timely disclosure | Komori