System for identifying illegitimate communications between computers by comparing evolution of data flows
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United States of America Patent
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Dec 19, 2017
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app pub date -
Apr 2, 2015
filing date -
Oct 10, 2012
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Abstract
A method and apparatus for identifying similar and coordinated communications between computers connected by a network are described. Communications between a plurality of pairs of computers are monitored to obtain respective flow metrics for a first and second pair of computers. The flow metric represents at least one property of the data flow between the pair of computers. Representations of the evolution of the data flows between the pairs of computers are updated using the flow metrics. The representations of the evolution of the data flows are compared to determine the similarity of the data flows between the pairs of computers. The first pair of computers and the second pair of computers are identified as exhibiting similar and coordinated communication if their data flows are determined to be similar.
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