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Anomaly detection in chain-of-custody information

  • US 9,336,248 B2
  • Filed: 04/24/2013
  • Issued: 05/10/2016
  • Est. Priority Date: 04/24/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, at a processor of an audit system, first vehicle log data related to modification of a first software part at a first vehicle;

    receiving, at the processor, first ground log data of a first ground system, the first ground log data indicating first chain-of-custody information regarding the first software part;

    analyzing, at the processor, the first vehicle log data and the first ground log data based on baseline data to detect an anomaly, wherein the baseline data includes baseline log data that corresponds to a modification of a second software part without any detected anomalies, wherein the anomaly indicates at least one of a gap between the first chain-of-custody information and second chain-of-custody information received from a second ground system, that the first software part was received out-of-order by the first ground system, or that the first software part was forwarded out-of-order by the first ground system, and wherein said analyzing further comprises;

    synchronizing the first vehicle log data and the first ground log data based on a common event that is included within each of the first vehicle log data and the first ground log data, a first timestamp of the first vehicle log data, and a second timestamp of the first ground log data to generate synchronized first vehicle log data and synchronized first ground log data, wherein the first timestamp and the second timestamp are associated with the common event,performing a comparison of the synchronized first vehicle log data and the synchronized first ground log data, andgenerating a first dataset based on the comparison; and

    sending, from the processor, a notification in response to detecting the anomaly.

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