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:
Sep. 12, 2023

Filed:

Feb. 07, 2020
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Shotaro Tora, Tokyo, JP;

Masashi Toyama, Tokyo, JP;

Machiko Toyoda, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 41/069 (2022.01); G06F 11/07 (2006.01); H04L 41/0604 (2022.01);
U.S. Cl.
CPC ...
H04L 41/069 (2013.01); G06F 11/0775 (2013.01); H04L 41/0609 (2013.01);
Abstract

An anomaly detection apparatus () includes a storage unit () that stores dictionary information () in which a partial character string of a message representing a type of a message included in a text log output from a system and an ID set for the type of the message are associated with each other. The anomaly detection apparatus (), when the message included in the text log output from the system is acquired, refers to the dictionary information () stored in the storage unit (), classifies the message included in the text log by the type, and assigns the ID to the message that has been classified; and detects an anomaly based on the ID assigned to the message.


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