YMIRLINK,Inc.

4372.T
Software - Application
2026/11/11 19:41 Updated
Market Cap: $24.3M (¥3.9B)
Stock Price: $6.35 (¥1,006)
Exchange Rate: 1 USD = ¥158.48

Report on Unauthorized Access to Our Systems (Third Notice)

Updated details on external unauthorized access targeting Cuenote FC and related services. Announced total leaked records: 47,864,147 records for Cuenote FC and 190 records for Cuenote BASE. Reinforcement of prevention measures including zero-trust implementation and multilayered defenses. Final report and disclosure of any impact on financial results planned.

Importance:
Page Updated: November 11, 2026
IR Disclosure Date: November 11, 2026

Key Figures

  • Number of leaked records: Total approx. 47,864,147 records (47,864,147 records)
  • Cuenote BASE leaked records: 190 records
  • Breakdown of leaked data items (e.g., email addresses): Unknown/Not disclosed

AI要約

Overview of the Incident and Current Status

This updates the unauthorized access incident for which follow-up notices were issued on October 19, 2026 and October 26, 2026, covering confirmed facts, number of leaked records, attack methods, and prevention measures to date. A large-scale leak of email recipient information centered on Cuenote FC has been confirmed and safety measures have been completed. The scope of impact on other services has been identified and addressed. We are currently awaiting the final report, and any impact on financial results remains undetermined.

Prevention Measures and Future Actions

We will strengthen secure coding practices, implement zero-trust access management, and establish a multilayered defense with 24-hour monitoring. Third-party assessments by external organizations and periodic vulnerability assessments will be conducted to ensure the security of all services. The final report will be published after forensic investigations are completed.

This page uses AI to summarize IR materials from TDnet. Please refer to the original document for investment decisions.

YMIRLINK,Inc.

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