Hokkaido Kyodo Kumiai Tsushinsha
1MinorPossibleAnnounced
On July 15, a contractor cloud shared folder was accessed without authorization. Customer data stored temporarily for a system migration may have leaked.
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
- Via a vendor or service
- Occurred
- 2026-07-15
- Sector
- Media & publishing
- Operational impact
- None
Data involved
| Data | Status | Count | Group | Evidence |
|---|---|---|---|---|
| Name | Possible leak | Not disclosed | — | Source(opens in a new tab) |
| Postal address | Possible leak | Not disclosed | — | Source(opens in a new tab) |
| Phone number | 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
- 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.