Yakiniku King restaurant app member system breached in Japan, leaking names, emails and phone numbers of about 10.79 million members

Japanese restaurant group Monogatari Corporation said on October 5 that the member management system of its Yakiniku King official app was accessed by a third party on October 2, and that it confirmed a leak of member data on October 3 ^[1]. Of 10,808,784 registered users, 10,788,963 records leaked, covering member numbers, app display names, email addresses and phone numbers; the company says login passwords, birth dates, gender and postal codes were not leaked, and the cause is still under investigation ^[1][2]. Members should beware of impersonation emails, texts and calls using the leaked data, avoid unknown links or attachments, and note the company never asks for passwords or card details ^[1].

Industries mainly affected: Hospitality & food service

1. Beware of phishing emails, SMS and calls impersonating the company; do not open unknown links or attachments ^[1].
2. The company never asks members for passwords or credit card details; ignore such requests .