Paycloud Holdings Inc.
Notice of Information Leak and Service Suspension Due to Unauthorized Access to Part of the Server System of the Email Delivery Service Operated by Our Consolidated Subsidiary
An unauthorized access occurred on part of the servers of the email delivery service provided by consolidated subsidiary Arara Inc. Approximately 3,010,000 email addresses may have been leaked. The impact on financial results is undetermined, and measures to strengthen security systems will be implemented as recurrence prevention.
Key Figures
- Number of personal information records confirmed leaked: approx. 3,010,000 cases
- Date of unauthorized access occurrence: 2026-10-28
- Official phrasing describing scope of impact: "Facts currently identified"
AI要約
Overview of the Incident and Scope of Impact
An unauthorized external access to part of the servers of the email delivery service operated by our consolidated subsidiary Arara Inc. was detected, and it has been confirmed that some personal information may have been leaked externally. The affected parties are end users and client companies, and the scale of the leak is currently estimated to be approx. 3,010,000 cases; the cause is believed to be exploitation of a vulnerability in a web server. We will coordinate with external organizations to implement measures to prevent recurrence and share information with relevant authorities and client companies.
Future Response and Disclosure Policy
At this time, no impact on other services has been confirmed; however, we will re-conduct vulnerability inspections for all services and work to strengthen security management systems and prevent recurrence. Should new facts come to light, we will promptly disclose them. The impact on financial results will be examined, and if there are matters that should be disclosed, we will promptly make them public.
Paycloud Holdings Inc.
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