GoKawiilBurger King Japan confirms breach exposing 11.18 million app user records
Burger King Japan disclosed that unauthorized third parties accessed a server managing its official app's member data between October 2 and 7, 2026, exposing 11.18 million records including names, birth dates, gender, emails, phone numbers and order history. The company said it blocked the intrusion upon discovery, completed a follow-up investigation on October 13, and reported the incident to Japan's Personal Information Protection Commission.
GoKawiil's interpretation of the reporting above, not reported fact.
The company says no payment card numbers or login credentials were stored on the breached server, which may limit immediate financial fraud risk, though the exposed personal details could still enable phishing or identity-related scams. Burger King Japan's warning to customers about suspicious emails and calls suggests concern that attackers could use the leaked data for follow-on social engineering attempts.
- 11.18 million customer records tied to Burger King Japan's app were exposed.
- Breach occurred October 2-7, 2026; discovered and contained by October 13.
- No credit card numbers or credentials were taken, per the company, but personal data like names and order history was leaked.
YubiKey 5C NFC Security Key — Data breaches like this one highlight the risk of relying solely on passwords and email for account security. A hardware security key like the YubiKey adds a strong second factor of authentication, making it much harder for attackers to hijack your accounts even if your personal data is leaked. It's a simple, durable way to lock down your important logins.
See YubiKey 5C NFC Security Key on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: bleepingcomputer.com, 2026-10-16
Published there as: “Burger King Japan data breach exposes 11 million customer records”
Read the original report → The summary and analysis above are GoKawiil's own, written from reporting by the source above. Facts and quotes belong to the original publisher.