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System and method for detecting fraudulent network usage patterns using real-time network monitoring

  • US 5,627,886 A
  • Filed: 09/15/1995
  • Issued: 05/06/1997
  • Est. Priority Date: 09/22/1994
  • Status: Expired due to Term
First Claim
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1. A computerized fraud detection system for detecting network usage patterns indicative of fraud from at least two disparate networks, each of said networks providing event records resulting from use of the respective network, comprising:

  • at least one data collector concurrently connected to each of said disparate networks for receiving at least one event record from each of said disparate networks, wherein said event record comprises a plurality of fields;

    at least one interface for analyzing each of said at least one received event record to determine its type based on user-defined parameters; and

    a fraud detection engine for identifying predetermined fields in said at least one analyzed event record to be used as keys, wherein said user pre-selects at least one of any field in said event record to be a key, for measuring usage associated with said key, for summarizing usage statistics against at least one of said keys in said at least one event record, for comparing statistic totals to predefined thresholds, and for responding when said thresholds are met or exceeded.

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