One of the most difficult challenges in payment card fraud detection is extreme class imbalance. Fraudulent transactions ...

A surge in digital payment technologies has been paralleled by an equally rapid increase in credit card fraud. This research field explores multifaceted approaches that combine advanced analytics, ...

The ability of computers to learn on their own by using data is known as machine learning. It is closely related to ...

Ever find your palms sweating as you enter your payment info into a merchant site you’ve never used before? It’s a natural response; few financial details are more important than your payment methods ...