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JAENES
BPossible leakOctober 16, 2026 announced

糸魚川市（移住・ワーケーションの問い合わせ）Data breach / unauthorized access incident

笹尾 祐太朗の写真Reviewed by Yutaro SasaoWritten by Leak Watch editorial team published ・ updated
Occurred on
Unconfirmed
Announced on
October 16, 2026
Severity
BIncidents centered on names and contact details.
Scale
82 records
Main impact
Inquiry records from a relocation/workation site — 82 inquiries (23 and 59) — may have been leaked. The number is under investigation and unconfirmed, and an actual leak has not been verified.
Information involved
Email addressPhone numberFull name
Cause / key point
Cause is under investigation.
Industry
Government & municipal
Listing / capital
Government / public body

Municipal website of 糸魚川市

Sources
Last updated
October 20, 2026
Email addressPhone numberFull nameHow severity is assessed →

Is this incident worth paying attention to?

Written & reviewed

笹尾 祐太朗の写真

Reviewed byYutaro SasaoFounder & CEO, MediaLeap Inc.

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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Attack method classification: Under investigation / not stated(Cause not disclosed)

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