Investigating

Fujikura Composites: data may have leaked after suspected Exchange Online mailbox intrusion

Suspected third-party activity on Exchange Online mailboxes may have exposed information; disclosed June 22, 2026 with PPC report. Detail PDF unreachable; HTML notice used as source.

Last updated: 2026-11-09

Overview

No published count (blank).

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

Organization response

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

What you can do

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.

Sources

  1. 当社メールアカウントへの不正アクセスの疑いについて藤倉コンポジット株式会社 · 2026-11-09

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