Visa's fraud prevention system blocked nearly 85% more suspected fraudulent transactions globally this Cyber Monday compared to last year.Suspected fraudulent activity surged by 200% worldwide over the holiday weekend, with fraudsters using advanced AI tools to target transactions.Visa deployed its own AI and machine learning technologies to detect and prevent fraudulent activity across all shopping platforms.Visa has invested $11 billion in technology to combat fraud, including the development of the Visa Account Attack Intelligence Score.