Confidential fraud detection system and method

摘要

Various embodiments for maintaining security and confidentiality of data and operations within a fraud detection system. Each of these embodiments utilizes a secure architecture in which: (1) access to data is limited to only approved or authorized entities; (2) confidential details in received data can be readily identified and concealed; and (3) confidential details that have become non-confidential can be identified and exposed.

主权项

1. A fraud detection system for detecting fraudulent transactions, comprising:
an interface for inputting transaction data and outputting analysis results; and a tamper-resistant secure data processing unit (SDPU), wherein the SDPU includes:
a security system that can restrict access to data and program execution;an analysis system for analyzing inputted transactions;a plurality of surveillance algorithms stored in an encrypted database wherein the plurality of surveillance algorithms make a determination regarding a probability that inputted transactions are fraudulent; anda selection program for selecting at each of a sequence of random times a different surveillance algorithm to be used by the analysis system.