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How PayPal Boosts Security with Artificial Intelligence

by Michael Morisy

To PayPal, the transactions signal fraud: a U.S. user’s account is accessed in the U.K., China, and elsewhere around the world. But PayPal’s security system—thanks to a growing reliance on an artificial-­intelligence technology known as deep learning—is now able to spot possible fraud without making mistakes. That’s because algorithms mine data from the customer’s purchasing…

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