2026 YouFid — Lagui1337 sale claim; ~1.9M loyalty profiles (unverified)
Data compromised
Actor/sample: names, emails, phones, addresses, DOB, loyalty card/QR IDs, signup date, first store, scan counts (unverified)
Technical writeup
Unverified leak claim: Cyberattaque.org reported Lagui1337 selling ~1,899,454 YouFid loyalty profiles (JSONL, €1,000) with samples containing personal coordinates plus loyalty metadata; Quick/O’Tacos/McDonald’s cited as program context on the platform. YouFid had not confirmed at indexing. recordsAffected 1899454; companyConfirmed false.
Root cause
Unverified Lagui1337 forum sale of YouFid loyalty-platform database (Aug 2026)