Kodansha BECKFormer BC email
1MinorPossibleAnnounced
One email account of a former company was accessed repeatedly, with traces of data retrieval. On September 14, 50 spam emails were sent, and the account was deleted that day.
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
- Occurred
- 2026-09-14
- Sector
- Media & publishing
- Operational impact
- None
Data involved
| Data | Status | Count | Group | Evidence |
|---|---|---|---|---|
| User or member ID | Possible leak | Not disclosed | — | Source(opens in a new tab) |
| Password | Possible leak | Not 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
- Change your password
- Change the password on other services where you reused it
General steps based on the type of data involved. Check the organization’s notice or help line to see whether you are affected.