TRUNK

1MinorPossibleAnnounced

Unauthorized access to employee email leaked some held data, and suspicious mail impersonating employees was sent.

This incident was imported from a dataset that compiles public announcements, and we are still checking it against the sources. Counts and causes will be updated after the check. Sources are in Japanese.

Cause
Email account compromise
Operational impact
None

Data involved

DataStatusCountGroupEvidence
NamePossible leakNot disclosed—Source(opens in a new tab)
Postal addressPossible leakNot disclosed—Source(opens in a new tab)
Email addressPossible leakNot disclosed—Source(opens in a new tab)

Counts are the figures the organization announced. Because the same person may be counted more than once, we do not add the rows together.

What users should do

  • Watch for emails and texts pretending to be the company

General steps based on the type of data involved. Check the organization’s notice or help line to see whether you are affected.

Sources

  1. 不正アクセスによる個人情報漏えいのお詫びと当社メールアカウントを用いた不審メールへの注意喚起についてwww.trunk-base.com · Published 2026-09-01(opens in a new tab)