--- title: Burger King Japan data breach exposes 11 million... description: Burger King Japan disclosed a data breach affecting 11.18 million customer records tied to its official app, including names, birth dates, gender, emails,... canonical: https://daily.dev/posts/burger-king-japan-data-breach-exposes-11-million-customer-records-07r1ueyd3 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Burger King Japan data breach exposes 11 million customer records | daily.dev og:description: Burger King Japan disclosed a data breach affecting 11.18 million customer records tied to its official app, including names, birth dates, gender, emails,... og:url: https://daily.dev/posts/burger-king-japan-data-breach-exposes-11-million-customer-records-07r1ueyd3 og:image: https://api.daily.dev/og/posts/07r1UeyD3.png og:image:alt: Burger King Japan data breach exposes 11 million customer records og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Burger King Japan data breach exposes 11 million customer records **[BleepingComputer](https://daily.dev/sources/bleepingcomputer)** · 3 min read · 0 upvotes · 0 comments ## Summary Burger King Japan disclosed a data breach affecting 11.18 million customer records tied to its official app, including names, birth dates, gender, emails, phone numbers, and order history. The company says unauthorized access occurred between October 2-7, 2026, and was blocked once discovered, with no credit card numbers or credentials exposed. The breach has been reported to Japan's Personal Information Protection Commission, and the incident joins a string of major cyberattacks on Japanese companies this year, including Nikkei, KDDI, Sakura Internet, and Times Car. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### How many customer records were exposed in the Burger King Japan data breach? The breach exposed 11.18 million customer records tied to Burger King Japan's official smartphone app. Compromised data included names, dates of birth, gender, email addresses, phone numbers, and order history. Unauthorized access occurred between October 2 and October 7, 2026, and was discovered and blocked shortly after. No credit card numbers or user credentials were confirmed stolen. _Security teams tracking large-scale breach disclosures like this one can follow ongoing incident coverage on daily.dev._ ### Did the Burger King Japan breach expose credit card numbers or passwords? No, Burger King Japan confirmed the compromised server did not store customer credit card numbers and found no evidence that attackers accessed user credentials. The stolen data was limited to member information such as names, birth dates, gender, emails, phone numbers, and order history from the company's app. The company warned customers about possible phishing attempts exploiting the leak. _Developers assessing breach fallout and phishing risk can track similar incident details on daily.dev._ ## Similar posts on daily.dev - [Telco giant KDDI says data breach affects over 12 million people](https://daily.dev/posts/telco-giant-kddi-says-data-breach-affects-over-12-million-people-mu8uzzc5b) · BleepingComputer · 0 upvotes · 0 comments - [Japan steps up cyber warnings as data leaks hit millions of customers](https://daily.dev/posts/japan-steps-up-cyber-warnings-as-data-leaks-hit-millions-of-customers-2lgobk3hn) · The Next Web · 0 upvotes · 0 comments - [Data breach exposes up to 14.2 million email logins at six ISPs](https://daily.dev/posts/data-breach-exposes-up-to-14-2-million-email-logins-at-six-isps-seex7uzig) · BleepingComputer · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#data-breach](https://daily.dev/tags/data-breach) [View this post on daily.dev](https://daily.dev/posts/burger-king-japan-data-breach-exposes-11-million-customer-records-07r1ueyd3) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Burger King Japan data breach exposes 11 million customer records","url":"https://daily.dev/posts/burger-king-japan-data-breach-exposes-11-million-customer-records-07r1ueyd3","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/burger-king-japan-data-breach-exposes-11-million-customer-records-07r1ueyd3"},"datePublished":"2026-10-16T12:01:43.971Z","dateModified":"2026-10-16T16:51:39.546Z","description":"Burger King Japan disclosed a data breach affecting 11.18 million customer records tied to its official app, including names, birth dates, gender, emails,...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/87b5f272c5db1fa69dca5c6c09f13811?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/87b5f272c5db1fa69dca5c6c09f13811?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"BleepingComputer","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"BleepingComputer","logo":"https://media.daily.dev/image/upload/s--as8nJ3qy--/f_auto,q_auto/v1774959951/logos/bleepingcomputer?_a=BAMAMiWQ0","url":"https://daily.dev/sources/bleepingcomputer"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/burger-king-japan-data-breach-exposes-11-million-customer-records-07r1ueyd3","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,data-breach","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"BleepingComputer","item":"https://daily.dev/sources/bleepingcomputer"},{"@type":"ListItem","position":3,"name":"Burger King Japan data breach exposes 11 million customer records"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/burger-king-japan-data-breach-exposes-11-million-customer-records-07r1ueyd3#faq","mainEntity":[{"@type":"Question","name":"How many customer records were exposed in the Burger King Japan data breach?","acceptedAnswer":{"@type":"Answer","text":"The breach exposed 11.18 million customer records tied to Burger King Japan's official smartphone app. Compromised data included names, dates of birth, gender, email addresses, phone numbers, and order history. Unauthorized access occurred between October 2 and October 7, 2026, and was discovered and blocked shortly after. No credit card numbers or user credentials were confirmed stolen. Security teams tracking large-scale breach disclosures like this one can follow ongoing incident coverage on daily.dev."}},{"@type":"Question","name":"Did the Burger King Japan breach expose credit card numbers or passwords?","acceptedAnswer":{"@type":"Answer","text":"No, Burger King Japan confirmed the compromised server did not store customer credit card numbers and found no evidence that attackers accessed user credentials. The stolen data was limited to member information such as names, birth dates, gender, emails, phone numbers, and order history from the company's app. The company warned customers about possible phishing attempts exploiting the leak. Developers assessing breach fallout and phishing risk can track similar incident details on daily.dev."}}]} ```