So-net Member Database Breached; Over 2.14 Million Personal Records and Some Email Passwords Exposed

According to Security NEXT, Sony Network Communications announced that the So-net member database suffered an external intrusion on October 19, 2026, which was confirmed on October 23 ^[1]. A total of 2,141,986 member personal data records were exposed, including 272,215 records of former members, containing names, phone numbers, dates of birth, email addresses, and user and connection IDs ^[1]. Additionally, 54,401 email addresses and passwords across four email services were exposed; the company has blocked communications from the relevant sources and launched an investigation ^[1].

Industries mainly affected: Telecom

Additionally, 54,401 email addresses and passwords across four email services were exposed; the company has blocked communications from the relevant sources and launched an investigation ^[1]