GMO Internet, Inc.
Overview
GMO Internet, Inc. is a Japanese internet infrastructure and advertising services company with securities code 4784.[1]
Contents6 sections
Key facts
1999Company Established
The company was established on September 8, 1999 and listed on September 5, 2000.[1]
2025Business Reorganization and Renaming
In January 2025, GMO Internet Group transferred its internet infrastructure business to GMO AD Partners, which was renamed GMO Internet, Inc.[2]
October 2026Desktop Cloud Security Incident
On October 24, the company confirmed unauthorized access to Onamae.com Desktop Cloud and removal of customer information; some customers reported unrecognized trading-account transactions. It announced a 5,000-yen payment to each current user and separate compensation for realized trading losses confirmed to result from the intrusion.[3]
October 26, 2026Incident Follow-up
The company said it had begun analyzing customer devices provided voluntarily and would not comply with the attackers’ demands; investigation and response were ongoing.[4]
Sources
- Frequently Asked Questions (opens in a new window)
- History of GMO Internet, Inc. (opens in a new window)
- Notice and Apology Regarding Unauthorized Access to Onamae.com Desktop Cloud (Fourth Report) (opens in a new window)
- Notice on Current Response to Unauthorized Access to Onamae.com Desktop Cloud (Seventh Report) (opens in a new window)