# Hankyu Hanshin Stores Report Data Leak

> Hankyu Hanshin Department Stores say 1.26 million member records may have leaked after unauthorized access via reservation site.
- Title: Hankyu Hanshin Stores Report Data Leak · BigGo Finance
- Summary: Hankyu Hanshin Department Stores say 1.26 million member records may have leaked after unauthorized access via reservation site. Hankyu Hanshin Department…
- Keywords: hankyu hanshin department stores, h2o id, unauthorized access, reservation site, personal information, japan, data leak, customer management system, finance, markets, Hankyu, Hanshin
- Source: BigGo Finance — https://finance.biggo.com/news/c9f8b1b4-baf4-4b78-b5f9-6c53d89ec61e
- Author: BigGo Finance
- Published: 2026-10-19T05:55:13+00:00
- Read time: 1 min
- Topics: hankyu hanshin department stores, h2o id, unauthorized access, reservation site, personal information, japan, data leak, customer management system, finance, markets
## Data Leak Alert
Hankyu Hanshin Department Stores report potential leak of 1.26 million members' personal data through unauthorized access to reservation site.
## System Breach Timeline
Company detected unauthorized access on October 16, shut down reservation site same day, confirmed breaches at e-commerce sites on October 17.
## Data Affected
Names, addresses, phone numbers, email addresses, postal codes, ages, dates of birth and services used may have been exposed.
## Investigation Steps
Company reported incident to Japan's Personal Information Protection Commission and filed police damage report while investigating card information exposure.
## Security Warnings
Customers warned about suspicious communications impersonating stores that could reach registered email and phone numbers.
## Business Impact
Suspension of reservation and e-commerce services may lead to lost sales ahead of busy season and affect investor confidence.
## Key takeaway

Hankyu Hanshin Department Stores report potential leak of 1.26 million members' personal data through unauthorized access to their reservation system.