> JapanHacked_
[Investigating][Severity: Major][Intrusion]

LIXIL: break-in at the L-Pocket app for remodeling contractors leaked data of 3,379 registered users and staff

The L-Pocket business app for remodeling contractors was broken into; names and employers of 3,379 users and staff leaked, and the app was stopped.

Disclosed

2026-10-19

Organizations involved

1

Leaked or at risk

3.4K

3,379

Downtime

Unknown

What happened

  1. A break-in at L-Pocket and L-Pocket Lite was detected and outside access was blocked. The app was taken out of service and off the app stores. [1]

  2. Public disclosure; affected people began to receive emails. [1]

Impact

3,379 people: registered users and staff of LIXIL and its group companies (including former staff), 375 of them staff. Names (with readings), email addresses, birth dates, genders, member numbers or registration codes, and their employer's name, address, phone number, department and industry. Payment data was not affected. [1]

No break-in to its core systems or internal network was found, and no data was altered or destroyed. No misuse had been found at the time of disclosure. [1]

Response

The company reported to the Personal Information Protection Commission and other authorities. It will decide when to restart the app after rebuilding a safe environment. [1]

Timeline

  1. Detected 2026-10-13
  2. Disclosed 2026-10-19
  3. 6 days

Attack or cause

Method
[Intrusion]
Impact
[Data leak][Service outage]
Entry point
Unknown

Data exposed or at risk

[Name][E-mail address][Date of birth][Gender][Employment]

Services hit

Organizations involved

Open in organization search

Sources

  1. [1][Official]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LIXIL · 2026-10-19