GMO Research & AI (infoQ) Data Breach
GMO Research & AI, Inc., a Tokyo-based market research subsidiary of GMO Internet Group, disclosed in October 2026 that its online questionnaire monitor platform, infoQ, suffered unauthorized external access on October 6, 2026.
Exposed Data Types
7- Names
- Email addresses
- Passwords
- Dates of birth
- Genders
- Phone numbers
- Physical addresses
About This Breach
Forensic analysis indicated that personal records belonging to up to 948,500 active and former survey panelists were potentially compromised.
Exposed fields included full names, email addresses, encrypted login passwords, dates of birth, gender markers, telephone numbers, and residential addresses. The company confirmed that bank account details used for point redemptions were not affected and temporarily suspended platform operations to patch the vulnerability.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
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