已确认

KDDI Web Communications CPI mail: email addresses of 1,250,543 people leaked via KDDI platform breach

KDDI Web Communications announced on June 23 the intrusion into the KDDI system behind CPI rental-server mail; access affecting it began on June 8, 2026.

最后更新: 2026-11-09

此内容以 English 显示。

概述

Email addresses of 1,250,543 people leaked; the company says no passwords themselves leaked. 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.

时间线

2026-06-08发生
未知发现
2026-06-23披露

组织应对措施

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

用户应对建议

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.

信息来源

CPIのメールサービスに対する不正アクセスについてのお詫びとご報告株式会社KDDIウェブコミュニケーションズ · 2026-11-09
弊社メールサービスに対する不正アクセス発生とお詫び株式会社KDDIウェブコミュニケーションズ · 2026-11-09