The key challenge in credit card fraud detection lies in the imbalance between legitimate and fraudulent transactions. Fraud cases typically represent less than 1 percent of total transactions, ...

Abstract: Credit cards have become indispensable in modern times, offering convenience, security, and financial benefits. As fraudsters continually evolve tactics to evade detection, security systems ...

Artificial intelligence has been a crucial part of the industry for decades, and more uses of the technology are coming — ...

Abstract: This study proposes a credit card fraud detection method based on Heterogeneous Graph Neural Network (HGNN) to address fraud in complex transaction networks. Unlike traditional machine ...