Overview
The November 6 update excludes passwords. The reviewed notice does not provide a total affected count.
Timeline
- Occurred
- Discovered
- Disclosed
Initial company disclosure. See sources for details and updates.
Organization response
The company stopped affected servers, blocked access and reported the incident.
What you can do
Be cautious of impersonation messages and unsolicited links.
Sources
- So-net会員情報漏洩に関するお詫びとお知らせソニーネットワークコミュニケーションズ株式会社 · 2026-11-09