Sony Network Communications (So-net) Data Breach
Sony Network Communications Inc., the Japanese internet service provider subsidiary of Sony Group Corporation, announced on October 27, 2026, that its So-net member database suffered unauthorized external access on October 19, 2026.
Exposed Data Types
7- Names
- Phone numbers
- Email addresses
- User IDs
- Dates of birth
- Genders
- Passwords
About This Breach
Before the intrusion was detected and blocked on October 23, attackers exposed a total of 2,585,481 records belonging to current and former customers across So-net (2,141,986 records) and Plala S Course (443,495 records).
Compromised membership fields included full names, telephone numbers, email addresses, user IDs, dates of birth, gender markers, and internet connection IDs, while a separate subset of 54,401 email accounts also had their email passwords exposed. Banking and payment card details were not affected.
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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