Ibiden Co.,Ltd.
Final Report on Website Disruption (Notification of Recovery Completion)
The disruption of our website on April 13, 2026, caused by unauthorized access to an external web server, was fully resolved on April 28. There was no impact on business performance.
Key Figures
- Disruption Occurrence Date and Time: Around 7:30 AM on April 13, 2026
- Temporary Measures Completion Time: 10:00 PM on April 13, 2026
- Full Recovery Completion Date: April 28, 2026
AI要約
Details and Investigation of the Disruption
At around 7:30 AM on April 13, 2026, a disruption occurred on our website due to unauthorized access to an external web server, resulting in unrelated web pages being displayed; access was suspended. Internal investigation confirmed no intrusion by ransomware or similar malware. Temporary measures were implemented by 10:00 PM on the same day to resolve display issues. Safety verification was completed and full recovery was achieved on April 28.
Business Impact and Recurrence Prevention Measures
There was no leakage of customer or personal information, nor any system failures impacting manufacturing or shipping, thus no effect on business performance. The website is now operating in a new web server environment validated for security by a third-party organization. We will continue strengthening security and work to restore trust.
Ibiden Co., Ltd.
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