Chris Purdum
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PayPal is the industry leader in payment solutions with more than $200B TPV and 150 million active users across 180 countries. Evaluating Risk in each user activity and taking countermeasures to mitigate it need to be balanced with ensuring good user experience and business enablement. This is especially challenging when the decision strategy involves thousands of rules and data points and decision to be made in real time in most of the use cases. Apart from scalability, availability and performance challenges, with hundreds of rule writers spread across the world and hundreds of rules changed every week to adapt to changing business conditions, data and rule governance will pose its own unique challenges as well. This talk will cover the solutions we designed to manage the rule authoring, deployment and run time characteristics and also analytics components which are used derive insights into the effectiveness of the risk evaluations.
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