Science & Tech · Cybersecurity · 5 hrs ago
Comic Cmoa Suspends Service After Possible Unauthorized Access
Comic Cmoa has suspended its ebook store after identifying possible unauthorized access to its servers on October 15.
The service is an online store for electronic books in Japan.
The company stopped the service to investigate what happened and is carrying out emergency maintenance.
Its website was also reported to be inaccessible while the service was down.
The cause and extent of the impact remain under investigation, and the company has not confirmed what information, if any, was affected.
Comic Cmoa is working to restore the service and says it will share new information as it becomes available.
Comic Cmoa suspended its service on October 15 after judging that unauthorized external access to its servers was likely.
The e-book service said it stopped operations to investigate the cause and is carrying out emergency maintenance.
It is investigating the cause and the scope of any impact.
Comic Cmoa said it would share updates if new facts emerge.
- Who
- Comic Cmoa, an e-book service.
- What
- It suspended service and began emergency maintenance after judging unauthorized access to its servers was likely.
- When
- October 15, 2026.
- Where
- Comic Cmoa’s servers and service. The sources do not specify a physical location.
- Why
- The service said it stopped operations to investigate the suspected unauthorized access.
This story does not have two clearly opposing sides.
Comic Cmoa judged that unauthorized external access to its servers was likely and stopped service to investigate.
The service reported that it was conducting emergency maintenance and investigating the cause and scope of the impact.
- Service
- Comic Cmoa
- Incident date
- October 15, 2026
- Service response
- Suspended service and began emergency maintenance
- Suspected incident
- Likely unauthorized external access to the servers
- Investigation
- Cause and scope of impact under investigation
3 sources
What people are saying
10月15日（木）当社の電子書籍ストア『コミックシーモア』のサーバーに対して、外部からの不正なアクセスが行われた可能性が高いと判断しました。この状況を受け、原因究明のためサービスを停止しました
現在、影響範囲および原因の特定に向けた詳細な調査を進めております