Systems and methods for detection of anomalous network behavior
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United States of America Patent
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Feb 7, 2017
Grant Date -
May 19, 2016
app pub date -
Nov 13, 2014
filing date -
Nov 13, 2014
priority date (Note) -
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Abstract
There is provided a computer implemented method for detecting anomalous behavior in a network, comprising: receiving data representing at least one network activity, each network activity representing a certain data access event involving certain network entities; extracting from the data the certain network entities involved in the respective network activity; retrieving at least one relevant diversity value from a network behavior model based on the extracted certain network entities, wherein the network behavior model includes at least one diversity value, wherein each respective diversity value represents a certain relationship between at least one network entity and at least one network entity type; calculating an abnormality score for the received network activity based on the retrieved relevant diversity values; and classifying the network activity as anomalous or normal based on the calculated abnormality score.
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