The review reports that blockchain-enhanced federated learning systems typically achieve slightly lower raw accuracy than ...

Fraud detection is defined by a structural imbalance that has long challenged data-driven systems. Fraudulent transactions typically account for a fraction of a percent of total transaction volume, ...

Mastercard is using AI to help detect and prevent credit card fraud. The company says the tech can flag unusual patterns and block fraudulent transactions. This article is part of "AI in Action," a ...

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 ...

Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

Credit card fraud has been on the rise in recent years. The Federal Trade Commission’s most recent database indicates that 416,582 cases of credit card fraud were reported in 2024, making it one of ...

If you’ve ever had a credit card purchase mysteriously rejected only to discover later that the bank thought you were a fraudulent user, you may appreciate an effort by MasterCard International to use ...