CLASS EARTH

1MinorNo leakAnnounced

An email to volunteer applicants showed the addresses of 69 recipients to each other. No addresses or phone numbers were included, and no secondary harm is reported.

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
Sent to the wrong person
Occurred
2026-10-07
Operational impact
None

Data involved

DataStatusCountGroupEvidence
Email addressNo leak found69 records—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. 共創ボランティア選考結果のご連絡メール誤送信に関するお詫びclass-earth.com · Published 2026-10-07(opens in a new tab)