xenonstack credit card fraud detection

Overview of Credit Card Fraud Detection

 

Online transactions entail the transfer and storage of delicate data (financial information, authentication information, passwords, etc), and the ill-usage of this data leads to a host of frauds, credit card fraud being one of the major threats. Online Shopping is a fast-growing trend. Mode of payments involving Credit Card, Debit Card and Net Banking is prone to frauds. Credit Card Fraud occurs Online as well as Offline. Hackers don’t leave a chance to steal information and breach security. Evasion can be bankruptcy, behavioral, application or theft.

Case investigations, customer phone support, and damage to an institution’s reputation also contribute to the cost of fraud. With the cost of fraud climbing and cardholder trust backsliding, companies need to understand steps to ensure their business and their cardholders are protected. Let’s review and explore what are challenges and to build a Credit Card Fraud Detection System using Machine Learning.

 

Challenges for Credit Card Fraud Detection

 

    • Fraud Detection transactions are rare and represent a small fraction of total transactions within an organization.
    • Analyze past credit card transactions with fraud ones.

 

Solution Offered for Enabling Fraud Detection with Deep Learning

 

  • Fraud Detection Model follows the Random Forest algorithm which takes hundreds of decision trees and aggregates and builds the model to avoid overfitting due to class imbalance.
  • Analysis of at least 20-50 last transactions of the customer is done to identify an underlying pattern.
  • Python and Machine Learning used to build the model.

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