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Sumitomo Realty: 205,208 inquiry email addresses leaked via Arara service used by contractor

Sumitomo Realty learned on November 2 that housing-inquiry email addresses leaked through the Arara service used by its contractor Data X.

最后更新: 2026-11-09

此内容以 English 显示。

概述

205,208 addresses sent October 8-29; no names or addresses. This stems from the Arara email-platform intrusion (recorded separately); the figure is a subset of the vendor scope and must not be added to it.

时间线

未知发生
未知发现
2026-11-04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

弊社委託先が利用するメール配信サービスへの不正アクセスによるメールアドレス流出についてのお詫び住友不動産株式会社 · 2026-11-09