調查中

Nomura Securities: i-Port subscriber emails may have leaked via email-contractor breach

Nomura Securities announced on October 23 that Ymir Link, which emails i-Port subscribers, reported on October 22 that unauthorised access may have leaked stored email addresses and related data.

最後更新: 2026-11-09

此內容以 English 顯示。

概述

Portfolio and securities-account data not included. No count published (count blank). No intrusion into Nomura systems confirmed. This stems from the Ymir Link Cuenote FC intrusion (recorded separately); the figure is a subset of the vendor scope and must not be added to it.

時間軸

不明發生
不明發現
2026-10-23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

金融機関等向けポートフォリオ管理ツール「i-Port」に関するメール配信業務の外部委託先における情報漏えいの可能性について野村證券株式会社 · 2026-11-09