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System to identify vulnerable card readers

  • US 10,176,482 B1
  • Filed: 10/04/2017
  • Issued: 01/08/2019
  • Est. Priority Date: 11/21/2016
  • Status: Active Grant
First Claim
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1. A method comprising:

  • accessing historical transaction data gathered from a set of devices, the historical transaction data including a set of device identifiers and transaction codes, the device identifiers and the transaction codes corresponding to a set of transactions conducted through the set of devices identified by the device identifiers;

    identifying a set of compromised devices from among the set of devices based on a subset of the historical transaction data, the subset associated with the set of compromised devices;

    identifying a common transaction code within the subset of the historical transaction data;

    correlating the common transaction code to an instance of fraud associated with the compromised set of devices;

    receiving new transaction data from a first device, the new transaction data including a new set of transaction codes and a first device identifier that identifiers the first device;

    detecting the common transaction code within the new transaction data from the first device; and

    causing display of a notification at a client device in response to the identifying the common transaction code within the new transaction data, the notification including a presentation of the first device identifier of the first device.

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