Murauchi Data Breach
Major Japanese electronics, computing, and consumer goods e-commerce retailer Murauchi.com (operated by Murauchi Dot Com Co., Ltd.) disclosed a significant data breach affecting its customer database.
Exposed Data Types
6- Names
- Physical addresses
- Phone numbers
- Email addresses
- Dates of birth
- Genders
About This Breach
Disclosed in autumn 2026, the incident compromised 7,716,811 customer records. For all affected individuals, full names, home addresses, and phone numbers were exfiltrated. A subset of records additionally exposed email addresses, dates of birth, and gender. The retailer confirmed that credit card numbers, payment credentials, and login passwords were not stored in the compromised database and remained secure.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
Report missing or incorrect information
