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Machine learning innovations for fighting financial crime in an Open Banking era

Wednesday 13 February 2019 | 08:24 AM CET

Pedro Bizarro, Feedzai`s CSO, reveals three breakthroughs in fraud management which are designed to tackle real-time payments risks: OpenML, AutoML and Genome

The fight against financial crime is changing and banks are struggling to keep up. Financial institutions are already losing ground in the adoption of open banking initiatives like PSD2. Coupled with the increasing market demands for compliance and transparency brought on by regulations like the GDPR, it’s clear that banks have a lot to deal with. The financial industry is quickly shifting towards real-time payments and instant services, two key aspects of a frictionless customer experience. However, these frameworks present serious challenges to the security side of things – particularly where financial crime is concerned. At the same time, fraud schemes are growing more complex. For example, according to Javelin, “criminals are opening more new accounts as a means of compromising accounts consumers already have.” And when it comes to money laundering, schemes now go beyond trafficking, with successfully laundered funds often being linked to bribery, influence peddling, corporate crime, or political intrigue. To protect their reputation and the trust they’ve built with their customers, banks need to look beyond their existing financial crime prevention strategies and discover how they can better address the world of real-time payments.

Three breakthroughs in fraud management

Over the last year, Feedzai has integrated three key features into its AI platform to help banks meet the growing challenge of real-time fraud prevention. Whether used separately or in tandem, these tools offer powerful new ways to stop fraud in its tracks.

OpenML

A primary drawback of many modern fraud detection systems is that they force users to operate within constructs that don’t make sense for their enterprises. Until now, users were left with one of two choices:

  • work within inefficient data science environments offered by a vendor

  • rely on their own (and often legacy) fraud management platforms that lack modern machine learning algorithms.

Feedzai understands that this is an impossible choice and offers a third door: Open Machine Learning (OpenML). Known colloquially as “bring your own machine learning,” Feedzai’s OpenML Engine is a machine learning environment that lets users integrate their own machine learning tools, libraries, algorithms, and models into the system. In essence, it gives users access to a powerful fraud management platform while still allowing customization to the user’s specific needs. The OpenML Engine includes an SDK for Python, R, and Java, while also providing close integration with machine learning tools like H20, R Studio, and DataRobot. It’s a revolutionary integration that gives your fraud detection system the benefits of a purpose-built platform while letting you retain access to the open source libraries used by your own company. From a customizable fraud management perspective, there’s nothing better.

AutoML

AutoML is Feedzai’s way of accelerating the machine learning process and increasing the speed at which banks are able to confront new fraud threats.

Before, users had to manually execute many steps of model development, including feature engineering, a very time consuming task. AutoML changes the game by providing a completely automated solution for model generation and development, all built into the Feedzai platform:

  • automatic feature engineering

  • automatic model training

  • automatic hyperparameter optimization

  • automatic model selection.

Other AutoML platforms on the market (such as those offered by Google) require substantial GPU capacity that most organizations just don’t have. Feedzai’s approach works differently, relying on patent-pending, semantic-based automatic feature engineering which significantly cuts down the needed processing power. AutoML relies on a short and simple user-defined configuration of the semantics of each field which is then used to produce features automatically. Overall, this allows financial institutions to quickly iterate on many models and configurations very quickly with minimal processing power. For example, complete profiles can be built around a single card, including the number of declined transactions in a given time period, the distance between every transaction location, the time between consecutive transaction for each card user, and more. All of this is done through an automated framework that requires minimal input from the data scientist, reducing the classic data science workflow timeline from eight weeks to one day. Less time spent on model creation means more time spent on data analysis.

Genome

Feedzai Genome is a powerful visualization tool that provides a comprehensive, top-level view of transaction data. Where OpenML and AutoML advance Feedzai’s data analysis capabilities, Genome brings a visual perspective to the connections between financial transactions. Using a virtualization engine, Genome displays the interconnected relationships between transactions and creates a simple way to identify patterns throughout each data set. Users can view the relationship between each transaction, view transaction clusters around specific cards or users, and trace the complete lifecycle of every transaction made—all within Feedzai’s platform. This addition brings a new level of analysis to Feedzai’s fraud detection capabilities. Images play into humans’ natural ability to spot patterns in visual data, and by taking a visual approach to transaction review, users can instantly spot the same patterns that may take fraud analysts weeks to recognize. This goes beyond mere data analysis or risk scoring and creates a new type of fraud detection system:

  • offering deeper and more thorough assessments of the complete financial data set

  • enabling more efficient risk assessment, including deep insight into the underlying relationships among each flagged transaction

  • being purpose-built to fight financial crime and highlight suspicious fraud typologies.

A systemic view of instant payments fraud

These advancements speak to a growing trend in financial crime detection: the need for financial service providers to take a system-wide view of interaction. From the registration of each transaction to every customer touchpoint, true security comes from complete, end-to-end assessments. The world of instant payments is ripe with opportunity – yet if banks want to make the most of these new frameworks, they’ll need to be prepared to handle the challenges that will inevitably come.

This editorial was first published in the Web Fraud Prevention, Identity Verification & Authentication Guide 2018-2019. The Guide covers some of the security challenges encountered in the ecommerce and banking, and financial services ecosystems. Moreover, it provides payment and fraud and risk management professionals with a series of insightful perspectives on key aspects, such as fraud management, identity verification, online authentication, and regulation.

About Pedro Bizarro

Pedro Bizarro is co-founder and Chief Science Officer at Feedzai. Pedro is a researcher turned entrepreneur: after a 10-year research career (Computer Science PhD at the University of Madison - Wisconsin, Fulbright Fellow, Marie Curie Fellow and winner of the BES Innovation National Competition) Pedro is now CSO at Feedzai where he leads the Research team in developing the best fraud prevention algorithms and tools. Pedro is a high performance data processing expert that loves data, algorithms, visualization, and machine learning.

About Feedzai

Feedzai is the market leader in fighting fraud with AI. We’re coding the future of commerce with today’s most advanced risk management platform powered by big data and machine learning. Founded and developed by data scientists and aerospace engineers, Feedzai has one mission: to make banking and commerce safe. The world’s largest banks, processors, and retailers use Feedzai’s fraud prevention and anti-money laundering products to manage risk while improving customer experience.

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