BPossible leakSeptember 30, 2026 announced

名張近鉄ガス株式会社Data breach / unauthorized access incident

Reviewed by Yutaro SasaoWritten by Leak Watch editorial teamSeptember 30, 2026 published ・ October 20, 2026 updated

Occurred on: Unconfirmed
Announced on: September 30, 2026
Severity: BIncidents centered on names and contact details.
Scale: 6,800 records
Main impact: Approximately 6,800 LP gas customer records managed by 名張近鉄ガス are reported to include names, addresses, and billing-related IDs; two of the records may include phone numbers. No account or card information is included.
Information involved: User / member IDPhone numberHome addressFull name
Cause / key point: The cause is under investigation.
Industry: Services & other
Listing / capital: UnlistedParent company: 近鉄グループホールディングス(東証プライム 9041)
名張近鉄ガス is part of 近鉄グループ.
Sources: 当社委託先のファイルサーバーへの不正アクセスによるお客さま情報漏洩の可能性について 2026-09-30
Last updated: October 20, 2026

Stock price reaction to the disclosure近鉄グループホールディングス・親会社 / 東証プライム 9041

2026.09.10 〜 2026.10.21Loading…

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Written & reviewed

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: October 20, 2026

Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction