Banks face a dual test from agentic AI: customer authorization and internal costs

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Banks face two challenges from agentic AI: clarifying the boundaries of customer authorization for agents to carry out financial operations, and controlling the costs of deploying agents within the banks themselves. McKinsey surveyed 46,000 retail banking customers globally; among AI users, 72% were willing to let a bank agent complete a financial task, but would limit the amount it could approve autonomously to $500.