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:
Mar. 19, 2024

Filed:

Aug. 20, 2019
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Junko Hashimoto, Musashino, JP;

Tsuneko Kura, Musashino, JP;

Satoshi Takahashi, Musashino, JP;

Megumi Uesu, Musashino, JP;

Koji Kishi, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1433 (2013.01);
Abstract

An estimation device () receives a device ID for identifying a device in a network and an observation event that has occurred in the device from a user terminal () as an input. The estimation device () acquires attribute information of the device corresponding to the received device ID from a device information storage unit (), estimates a risk that the device in the network is subject to an attack on the basis of the acquired attribute information and the received observation event, and outputs the estimated attack risk to the user terminal ().


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