Baydöner data breach: 1.3M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2026-03-15
In March 2026, the Turkish restaurant chain Baydöner suffered a data breach which was subsequently published to a public hacking forum. The incident exposed over 1.2M unique email addresses along with names, phone numbers, cities of residence and plaintext passwords. A small number of records also included Turkish national ID number and date of birth. In their disclosure notice, Baydöner stated that payment and financial data was not affected. Exposed data: dates of birth, email addresses, genders, geographic locations, government issued ids, names, passwords, phone numbers, purchases. The breach dates from Mar 8, 2026; Have I Been Pwned loaded it on Mar 15, 2026.
What to do
- If you had a Baydöner account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
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