ALeak confirmedOctober 19, 2026 announced

LIXIL（L-ポケット）Data breach / unauthorized access incident

Reviewed by Yutaro SasaoWritten by Leak Watch editorial teamOctober 19, 2026 published ・ October 20, 2026 updated

Occurred on: Unconfirmed
Announced on: October 19, 2026
Severity: AFinancial and HR records — information that easily translates into monetary damage.
Scale: 3,379 people
Main impact: A leak of personal information of 3,379 registered members was confirmed in LIXIL's business support app "L-ポケット". Because it includes 375 employees and former employees, there is a risk that those members' names and other data were exposed externally.
Information involved: Email addressUser / member IDPhone numberHome addressFull nameDate of birth
Cause / key point: The cause is under investigation.
Industry: Manufacturing
Listing / capital: Listed company東証プライム 5938(LIXIL)
Sources: LIXILが提供する業務支援アプリケーション「L-ポケット」における不正アクセスに伴う登録会員情報漏えいについてのお詫びとご報告 2026-10-19
Last updated: October 20, 2026

Stock price reaction to the disclosureLIXIL / 東証プライム 5938

2026.09.29 〜 2026.10.22Loading…

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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