E-commerce, retail, and mass merchants are increasingly relying on artificial intelligence to combat payment fraud. Visa's semi-annual threat report reveals this trend, highlighting a surge in ransomware attacks, with recent attacks increasing by 91%. Fraud investigations are mainly focused on online merchants. Visa's investments in artificial intelligence have successfully reduced payment fraud. Visa's 24/7 Risk Operations Center has prevented nearly 53 million fraudulent transactions worth $32 billion.