Burger King security incident history
Hacking, data breaches and other security incidents involving Burger King, with related coverage.
Burger King Japan app breach exposes around 11.18 million member records in October
11.2mImpact: Around 11.18 million official app member records exposed
Unauthorised access to the membership information system for Burger King Japan’s official app occurred from 2 to 7 October 2026, exposing around 11.18 million member records. The operator confirmed the breach on 13 October and disclosed it on 15 October; the exposed information included names, email addresses, telephone numbers and dates of birth. Credit card numbers were not exposed because they were not stored, and no exposure of login passwords was confirmed. The company said it had blocked access and reported the incident to the Personal Information Protection Commission, and was investigating with external experts and notifying customers.
Read on BGR ↗Burger King hacked as security weaknesses raised across RBI brands
Burger King was hacked. The attackers criticised Burger King's security practices, and claims were raised that fellow RBI brands Tim Hortons and Popeyes also have vulnerabilities.
Read on Tom's Hardware ↗