Banking and securities law

  • Bankcard fraud: gross negligence and strong authentication, the keys to liability

    By Raphaël MORENON
    13 August 2025
    Bankcards have become an indispensable part of our daily lives, facilitating the majority of our transactions. However, with this ease of use comes a growing risk of fraud. When an unauthorised transaction appears on your bank statement, a key question arises: who is responsible? While the law protects the cardholder in principle, this protection is not absolute. The bank can refuse to reimburse the sums stolen on the grounds of gross negligence on your part. This article, which follows on from our legal guide to payment cards and our analysis of the general system of liability for fraud, details the key concepts of negligence and strong authentication, which determine the outcome of many disputes. Understanding these concepts is essential if you are to defend your rights effectively, and our firm has a recognised practice in bank fraud litigation. The framework...
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