Burger King Russia Breach: 3.2M Emails & Phone Numbers Leaked

Overview

Burger King Russia has confirmed a data breach affecting 3,155,792 customers after an August 2024 attack on Mindbox, the marketing automation platform the fast-food chain relied on to manage promotions and customer loyalty programs. News of the leak surfaced publicly in October 2024, roughly two months after the intrusion. The stolen data spans records created between 2018 and August 2024, meaning nearly six years of customer information sat exposed on a third-party system the company did not directly control.

The dataset has since been added to Have I Been Pwned, allowing anyone to verify whether their email address appears in the leaked records.

What Was Exposed

The breach did not touch payment cards or passport numbers, and Burger King Russia has stated as much publicly. That is genuinely good news. What leaked instead is a broad set of personal identifiers:

• Email addresses - 3.2 million unique addresses
• Names - full names tied to each account
• Phone numbers - mobile and landline contacts
• Dates of birth - full birthdates, not just year
• Genders
• Approximate geolocations - derived from marketing data

Individually, none of these fields is catastrophic. Combined, they form a detailed personal profile that is far more dangerous than the sum of its parts.

Why This Combination Matters

Email plus date of birth plus phone number is a classic identity-verification trio. Many banks, telecoms, and government portals still use exactly these fields as “security questions” or account-recovery checks. An attacker holding all three can attempt account takeovers on unrelated services without ever cracking a password. Dates of birth also feed into insurance fraud, while phone numbers open the door to SIM-swap attempts and targeted SMS phishing.

Geolocation data adds a physical dimension: scammers can craft messages referencing a real neighborhood, which dramatically increases the credibility of a phishing lure.

Recommendations

Since your password was not exposed here, you do not need to panic-rotate credentials across every account. What you should do is address the identity layer:

1. Expect targeted phishing. Messages that greet you by name, cite your birthday, or reference your city are now trivially easy for criminals to fake. Verify any unexpected request through an official channel.
2. Lock down account recovery. Where possible, remove date-of-birth and phone-based security questions from important accounts and replace them with app-based authenticator codes.
3. Watch for SIM-swap signs. If your mobile suddenly loses signal for no reason, contact your carrier immediately.
4. Consider an email alias. Moving sensitive accounts to unique addresses reduces the value of a leaked primary inbox.

How to Check If You’re Affected

Visit haveibeenpwned.com/Breach/BurgerKingRussia and search your email address. If it appears, you are in the dataset. The service also supports notifications, so you can register an address to be alerted about future breaches rather than checking manually.

Security Insight

The most instructive detail here is the two-month gap between the August intrusion and the October disclosure. Mindbox, not Burger King, held the data, and that separation likely slowed both detection and notification. This pattern echoes the broader wave of marketing-platform compromises covered in our cybersecurity news reporting, where brands absorb the reputational damage for a vendor’s weak controls. Notably, the breach’s harm comes entirely from a combination of low-sensitivity fields, a reminder that “no passwords, no payment data” is not the same as “no risk.”

Further Reading

• All High Breaches
• Recent Data Breaches