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How Banks Can Fight AI-Powered Fraud With AI

Financial institutions are facing a rise in automated, high-speed fraud while grappling with elevated compliance and consulting costs, as updating core fraud defenses can still take months of manual work. Remy Blaire speaks with Patrick Harr, CEO of DataVisor, about the growing threat of AI-driven fraud and how automated risk infrastructure can help banks and payment networks respond faster.

Harr says fraud represents about $200 billion in losses globally, with much of the impact in North America, and warns that fraudsters are now using AI agents to launch polymorphic attacks on banks, financial institutions, and payment networks in real time. He explains that while banks often know which fraud patterns are emerging, implementing defenses can take months, so DataVisor introduced a code agent that helps investigators deploy real-time defenses in hours. He says the process is transparent, with everything published inside the model, and keeps a human in the loop to review every AI-recommended change. To avoid blocking legitimate payments, he says DataVisor uses behavioral AI and device intelligence to determine whether an agent is legitimate based on what it is trying to do.

Harr says that after speaking with a Federal Reserve auditor, he believes auditing needs to accelerate to keep pace with the weaponization of AI agents, noting that DataVisor’s defenses can adapt within minutes while giving auditors full visibility into each model. On costs, he says AI can reduce fraud losses, boost employee productivity, and cut consulting overhead, arguing that banks and payment networks need to shift from defensive to offensive strategies by fighting fraud with AI.

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