Japanese "Yakiniku King" Restaurant Chain Reports Data Breach
Japanese yakiniku chain Yakiniku King has reported a data breach affecting over 10.7 million customer records. The company stated there is no evidence of misuse of the leaked information.
Tokyo – Japanese yakiniku restaurant chain Yakiniku King has reported a significant data breach impacting its member management system, exposing the personal information of over 10.7 million customers. The incident was disclosed on October 5 by the operating company, Monogatari Corporation.
The breach affected the official Yakiniku King mobile application. According to Monogatari Corporation, the leaked data includes member numbers, names (as registered in the app), email addresses, and phone numbers. The company has assured that sensitive details such as login passwords, birth dates, gender, postal codes, and points balances were not compromised.
Unauthorized access to the system was detected on October 2, prompting the company to implement security measures. The confirmation of data leakage followed on October 3. Monogatari Corporation stated that while the unauthorized access was caused by a third party, an investigation into the exact cause is ongoing. Crucially, there is currently no evidence to suggest that the compromised data has been misused.
Services through the Yakiniku King app are expected to continue after enhanced security protocols are in place. Monogatari Corporation, established in 1949, operates various restaurant brands domestically and internationally. The company confirmed that similar incidents have not occurred with the applications of its other brands.