Tochigi Prefectural PoliceInternal system via Arcadia

1MinorInvestigatingAnnounced

Shimotsuke Shimbun reported that data of about 3,900 police staff in an internal system may have leaked through Arcadia.

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
Sector
Public sector
Operational impact
None

Sources

  1. 栃木県警全職員の情報流出か アルカディア不正アクセスでwww.shimotsuke.co.jp · Published 2026-10-20(opens in a new tab)
  2. 栃木県警全職員の情報流出か アルカディア不正アクセスで(47NEWS掲載)www.47news.jp · Published 2026-10-20(opens in a new tab)