Tohoku Electric Power FrontierEvent inquiry forms

1MinorPossibleAnnounced

An attack on Studio may have leaked 182 inquiry entries from five event sites. Contract data and event attendee data are not affected. Actual theft is not confirmed.

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
2026-09-30 – 2026-10-01
Operational impact
None

Data involved

DataStatusCountGroupEvidence
NamePossible leak182 records—Source(opens in a new tab)
Email addressPossible leak182 records—Source(opens in a new tab)
Phone numberPossible leak182 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. 当社が利用する外部サービスへの不正アクセスに伴う個人情報漏洩の可能性についてwww.tohoku-frontier.co.jp · Published 2026-10-17(opens in a new tab)