10,000,000 O'Tacos customers affected by a data leak
On 27 January 2026, a database tied to O'Tacos' loyalty programme and mobile app surfaced for sale on a hacking forum: a 9 GB JSON dump of roughly 29 million user records, about 10 million with full identity details, across the French chain's international markets.
- Victim
- O'Tacos
- Records
- 10.0M