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Patent Searching and Data


Title:
ESTIMATION DEVICE, ESTIMATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/170911
Kind Code:
A1
Abstract:
An estimation device characterized by having: a collection means that, when threat information for which a degree of maliciousness is to be estimated is input, collects related information related to the threat information, and other threat information different from the threat information; a feature amount generation means for generating a feature amount indicating a feature of the threat information, on the basis of the related information; a graph information generation means for generating, on the basis of the related information and the other threat information, graph information indicating a graph in which each item of threat information and the other threat information is a node and a relationship between the nodes is an edge; and an estimation means that, when a graph structure exists between the threat information and the other threat information on the graph indicated by the graph information, uses the feature amount of the threat information to estimate a degree of maliciousness for the threat information by means of a graph convolutional neural network.

Inventors:
KAZATO YUTA (JP)
Application Number:
PCT/JP2020/005377
Publication Date:
August 27, 2020
Filing Date:
February 12, 2020
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06F21/55; G06F16/28
Foreign References:
Other References:
KAZATO, YUTA ET AL.: "A study on the reliability calculation method of threat information using belief propagation", LECTURE PROCEEDINGS 2 OF THE 2018 COMMUNICATION SOCIETY CONFERENCE OF IEICE, 28 August 2018 (2018-08-28), pages 89
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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