箕面市（防災情報配信サービス）Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- October 13, 2026
- Severity
- AFinancial and HR records — information that easily translates into monetary damage.
- Scale
- Unknown
- Main impact
- Due to unauthorized access to アルカディア, 箕面市 has suspended distribution via its citizen safety email and the disaster app 「ハザードン」 from 11:00 on 2026-10-13. Whether any information was leaked is not stated.
- Information involved
- Email address
- Cause / key point
- Distribution suspended due to unauthorized access to アルカディア.
- Industry
- Government & municipal
- Listing / capital
- Government / public body
- Sources
- Last updated
- October 20, 2026
Is this incident worth paying attention to?
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Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction
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Incidents related to "アルカディア"
Incidents where the damage spread through the same service or system.
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- A斑鳩町（防災情報メール・ハザードン）2026.10.13 announced・Affected Unknown
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Same industry
- S市立岸和田市民病院（患者書類）2026.10.16 announced・Affected 1 people
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- S神奈川県警（使用済み運転免許証）2026.10.09 announced・Affected 30 records
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- S村田製作所2026.04.27 announced・Affected 73,000 records
- S静岡市2026.01.30 announced・Affected 3,950 people
Attack method classification: Unauthorized access (method undisclosed)(Breached, but the technique was not identified or disclosed)
Read the Unauthorized access (method undisclosed) guide and national trends →