已確認

STNet Pikara mail: addresses and passwords of 397,152 people leaked via KDDI platform breach

Through the intrusion into the KDDI system behind Pikara mail, STNet customer mail data leaked between June 14 and 17. STNet announced it on June 23 and fixed the count on July 6.

最後更新: 2026-11-09

此內容以 English 顯示。

概述

Email addresses and their passwords leaked: 397,152 customers (456,159 address/password pairs). This stems from the intrusion into KDDI's mail platform for ISPs (recorded separately); the figure is a subset of KDDI's total and must not be added to it.

時間軸

2026-06-14發生
不明發現
2026-06-23公布

組織應對措施

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

使用者應對建議

Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.

資訊來源

ピカラのメールサービスに対する不正アクセスの発生について株式会社STNet · 2026-11-09
ピカラのメールサービスに対する不正アクセスについてのご報告株式会社STNet · 2026-11-09