Consumer Affairs Agency

3MediumConfirmedAnnounced

Names, birth dates, My Numbers and salary data of 8 staff were sent by mistake to a different local government. The transmission was invalidated through el-Tax; deletion by the recipient is not stated.

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
2026-01-27
Sector
Public sector
Operational impact
None

Data involved

DataStatusCountGroupEvidence
My Number (national ID)Leak confirmed8 people—Source(opens in a new tab)
NameLeak confirmed8 people—Source(opens in a new tab)
Date of birthLeak confirmed8 people—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. 個人情報の漏えいについてwww.caa.go.jp(opens in a new tab)