GMO internet, Inc.
Notice of Unauthorized Access to Onamae.com Desktop Cloud (Published October 23, 2026)
GMO internet, Inc. announced a third-party unauthorized access to the Onamae.com Desktop Cloud. Affected servers number 26,739, and stored customer transactional account information may have been exposed, though payment data is not stored on these service servers. Reopening is TBD and further impacts are under investigation. The company has consulted with the police and continues the investigation.
Key Figures
- Affected service: Onamae.com Desktop Cloud (all plans)
- Number of servers potentially impacted: 26,739 cases
- Types of information: Login credentials for transactional accounts, etc. (points under investigation)
AI要約
Overview of Impact and Response
This disclosure concerns a third-party unauthorized access affecting all plans of Onamae.com Desktop Cloud. Stored login credentials and other data for transactional accounts on the servers may have been obtained and improperly used by a third party. The incident was identified on October 20, 2026, and servers were suspended and investigations initiated from October 21 onward. The company has consulted with the police and is coordinating with relevant authorities to confirm damage and prevent further spread. The full extent of the impact remains under ongoing investigation.
Future Response and Information Provision
Affected customers have been instructed to change authentication credentials, terminate all sessions, check transaction histories and balances, and enable two-factor authentication. Reopening timing is TBD and will be announced after safety is confirmed. Additional information will be posted on the website as it becomes available.
GMO internet, Inc.
Company overview · Stock price · Financial data · All IR
