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[Investigating][Severity: Major][Insider][Credential abuse]

Taketa: employee improperly acquires about 60,000 municipal records

On October 21, Taketa City disclosed that a department head had used other departments' accounts and passwords since around 2018 to acquire about 60,000 records, including personal information, for purposes unrelated to work. About 50,000 concerned residents and 10,000 concerned employees; municipal PCs and hard drives were also taken home without authorization. The conduct was discovered in January 2026, reported to police in May and led to a six-month suspension effective October 20. Exact data fields remain under investigation, and external leakage has not been confirmed.

Disclosed

2026-10-21

Organizations involved

1

Leaked or at risk

60K

60,000

Downtime

Unknown

Timeline

  1. Disclosed 2026-10-21
  2. 1 days

Attack or cause

Method
[Insider][Credential abuse]
Impact
[Data leak]
Entry point
Unknown

Data exposed or at risk

[Employment]

Organizations involved

  • [Breached][Major]Oita, TaketaMunicipality60,000 leaked

    Taketa City

    About 50,000 resident-related and 10,000 employee-related records; counts of acquired data, not people, with external leakage unconfirmed.

Open in organization search

Sources

  1. [1][News]市民・職員の個人情報など6万件を不正取得 竹田市の50代課長級職員を停職6カ月Oita Asahi Broadcasting · 2026-10-21
  2. [2][News]50代市職員が市民の約6万件の個人情報など入手 市のネットワークに不正アクセスTV Oita · 2026-10-21