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On October 19, 2026, an attacker accessed a So-net database managed by Sony Network Communications, exposing names, contact details, dates of birth, genders, and account IDs.

Threat actor: Not specified Sector: Telco Data exposure (claimed): 443,495 customer records Data type: Names, telephone numbers, dates of birth, genders, email addresses, So-net account login IDs, internet connection IDs Observed: Oct 27, 2026 Status: Confirmed ESIX©: 5.76