Whopper of a data breach sees Burger King Japan expose over 11 million customer records
- Burger King Japan discloses breach affecting 11.18 million customer records from its mobile app platform
- Exposed data included personal details and order histories, though payment information was not compromised
- Company reported no confirmed misuse and notified regulators while investigating the intrusion
The Japanese subsidiary of Burger King has confirmed suffering a data breach and apologized for losing sensitive data on millions of customers.
In a breach notification letter, Burger King Japan confirmed the exact date of the breach, as well as the nature of the data that was stolen.
"We identified a potential unauthorized third-party access to the system that manages member information for our official app and conducted an investigation," the company said in the letter. "As a result, it was determined on Tuesday, October 13, 2026, that unauthorized access occurred between Friday, October 2, 2026, and Wednesday, October 7, 2026, resulting in a leak of member information. Upon...
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