The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 24, 2023

Filed:

Jun. 07, 2019
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Masanori Yamada, Musashino, JP;

Yuminobu Igarashi, Musashino, JP;

Yuki Yamanaka, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 43/04 (2022.01); G16Y 40/10 (2020.01); G16Y 30/10 (2020.01);
U.S. Cl.
CPC ...
H04L 43/04 (2013.01); G16Y 30/10 (2020.01); G16Y 40/10 (2020.01);
Abstract

A detecting device obtains a network log and a host log of a device. The detecting device converts the network log into a network feature value in a form which is inputtable to a multimodal generative model which generates output data on the basis of multiple latent variables represented by random variables. The detecting device converts the host log into a host feature value in a form which is inputtable to the generative model. The detecting device also inputs at least one of the network feature value and the host feature value to the generative model and calculates output data. The detecting device detects an abnormality about the device using an anomaly score calculated on the basis of the output data.


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