長崎市（リサイクル推進員書類の誤送付）Data breach / unauthorized access incident
- Occurred on
- July 30, 2026
- Announced on
- October 6, 2026
- Severity
- CLimited data such as email addresses and identifiers.
- Scale
- 6 people
- Main impact
- Appointment letters and ID cards for recycling promotion officers were mistakenly swapped between two neighborhood associations, causing the names of 6 people to be disclosed externally.
- Information involved
- Full name
- Cause / key point
- The cause is under investigation.
- Industry
- Government & municipal
- Listing / capital
- Government / public body
Incident involving a local government
- Last updated
- October 20, 2026
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CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.
Review scope: cross-checking against primary sources (official and government announcements), verifying claims stay within the facts, and checking source attribution。Last reviewed:
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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- S神奈川県警（使用済み運転免許証）2026.10.09 announced・Affected 30 records
- S長崎市（マイナンバーカード特急発行書類の紛失）2026.09.08 announced・Affected 4 people
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Attack method classification: Under investigation / not stated(Cause not disclosed)
Read the Under investigation / not stated guide and national trends →