---
title: 'Lawson discloses breach of 2.15 million Lawson ID accounts'
url: 'https://securteksecurity.com/news/lawson-discloses-breach-of-2-15-million-lawson-id-accounts'
markdown: 'https://securteksecurity.com/news/lawson-discloses-breach-of-2-15-million-lawson-id-accounts.md'
date: '2026-10-08'
description: 'Japanese convenience chain Lawson said attackers accessed personal data tied to 2,155,345 Lawson ID accounts during intrusions September 12-17, discovered October 7. Exposed fields include emails, names, and where provided, gender, phone, address, and newsletter settings. A separate hit on Lawson A…'
taxonomy:
  category:
    - Breaches
  tag:
    - japan
    - retail
---

# [Lawson discloses breach of 2.15 million Lawson ID accounts](https://securteksecurity.com/news/lawson-discloses-breach-of-2-15-million-lawson-id-accounts)

   8th Oct 2026   [japan](https://securteksecurity.com/tag:japan#body-wrapper) [retail](https://securteksecurity.com/tag:retail#body-wrapper)  

Japanese convenience chain Lawson said attackers accessed personal data tied to 2,155,345 Lawson ID accounts during intrusions September 12-17, discovered October 7. Exposed fields include emails, names, and where provided, gender, phone, address, and newsletter settings. A separate hit on Lawson App Reservation exposed names, phones, and partial credit-card numbers for 26 users. Lawson traced the incident to unauthorized access of an in-app profile-display mechanism.

Sources: [breachhistory.com](https://breachhistory.com/blog/lawson-id-app-breach-2-million-2026)

---

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