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Auchan

Data breachContained

Leak at Auchan

In August 2025, French retailer Auchan disclosed a breach exposing personal data of several hundred thousand Waaoh loyalty-program customers — names, titles, postal and email addresses, phone numbers and loyalty card numbers; bank data and PINs were not affected.

Victim
Auchan
Data breachContained

Leak at Auchan

On 19 November 2024, French retailer Auchan disclosed a breach of its loyalty programme exposing the personal data of more than 500,000 customers — names, contact details, dates of birth, family composition and loyalty-card/balance information; no bank data or passwords were affected.

Victim
Auchan
Records
500.0K