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American Focus > Blog > Tech and Science > Visa’s AI edge: How RAG-as-a-service and deep learning are strengthening security and speeding up data retrieval
Tech and Science

Visa’s AI edge: How RAG-as-a-service and deep learning are strengthening security and speeding up data retrieval

Last updated: March 29, 2025 7:12 pm
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Visa’s AI edge: How RAG-as-a-service and deep learning are strengthening security and speeding up data retrieval
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Through the use of AI and machine learning, Visa has been able to block an estimated $40 billion in fraud over the years. This is achieved through the constant monitoring of transactions for any suspicious activity, flagging potential fraudulent transactions in real-time, and ultimately preventing fraudulent charges from going through.

Visa’s AI algorithms analyze millions of transactions every second, looking for patterns and anomalies that may indicate fraudulent activity. By leveraging AI in this way, Visa is able to stay one step ahead of fraudsters and protect both customers and merchants from financial losses.

Additionally, Visa’s AI technology is constantly evolving and learning from new data to improve its fraud detection capabilities. This ongoing development ensures that Visa’s fraud prevention measures remain effective in the face of ever-changing tactics used by fraudsters.

Advancing the Future of Payments

Visa’s commitment to leveraging AI and machine learning to enhance its operations and improve security is a testament to its dedication to advancing the future of payments. By investing heavily in cutting-edge technology and innovative solutions, Visa is able to provide its customers with a safe and seamless payment experience.

As the digital payments landscape continues to evolve, Visa remains at the forefront of innovation, constantly exploring new ways to improve its services and stay ahead of the curve. With the power of AI on its side, Visa is well-positioned to continue leading the way in the payments industry for years to come.

In conclusion, Visa’s strategic use of AI and machine learning technologies has not only improved its operational efficiency and security measures but has also positioned the company as a pioneer in the digital payments space. By embracing innovative solutions and investing in cutting-edge technology, Visa is paving the way for a future where payments are faster, more secure, and more convenient than ever before.

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Visa has recently unveiled its Scam Disruption Practice, which has helped the company block $40 billion in attempted fraud in 2024 alone. This newly formalized group has successfully prevented fraudulent activities through a combination of cutting-edge technology and human-driven processes.

One of the key tools that Visa has implemented is a deep authorization tool that provides transaction risk scoring for card-not-present (CNP) payments. This tool, powered by a deep learning recurrent neural network (RNN) model, analyzes petabytes of contextual data to manage online transactions effectively. Additionally, real-time account-to-account payment protection is enabled through deep learning AI models that generate instant risk scores and automatically block suspicious transactions.

Visa’s Chief Risk Officer, John Hamilton, highlighted the use of a transformer-based model to enhance fraud detection capabilities. This neural network learns context and meaning by tracking relationships in data, allowing Visa to quickly identify and prevent fraudulent activities in real-time. The goal is to achieve response times in milliseconds to stay ahead of threat actors and protect consumers and the financial ecosystem.

In addition to advanced AI models, Visa utilizes synthetic data to simulate and train the fraud detection models. By augmenting existing data with synthetic data, Visa can anticipate and block potential fraud scenarios before they happen. Hamilton emphasized the importance of staying proactive in the fight against fraud, as threat actors continuously evolve their tactics.

As fraud prevention becomes increasingly critical in the digital age, Visa’s innovative approach to combating fraud sets a new standard in the industry. By leveraging advanced technologies and data-driven strategies, Visa remains at the forefront of protecting consumers and financial institutions from fraudulent activities.

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TAGGED:DatadeepedgeLearningRAGasaserviceretrievalSecurityspeedingstrengtheningVisas
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