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. 25, 2022

Filed:

Feb. 20, 2018
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Yuta Iwaki, Musashino, JP;

Shingo Orihara, Musashino, JP;

Yang Zhong, Musashino, JP;

Tohru Sato, Musashino, JP;

Yohsuke Shimada, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 12/26 (2006.01); G06N 20/00 (2019.01); H04L 29/08 (2006.01); H04W 24/10 (2009.01); H04W 84/04 (2009.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); G06N 20/00 (2019.01); H04L 63/1416 (2013.01); H04L 67/02 (2013.01); H04L 67/30 (2013.01);
Abstract

An extraction unit-extracts a specific request from among requests that do not match with a profile on the basis of a similarity to a request to a server, where the profile determines whether the request is an attack. Further, a determination unit determines whether the specific request extracted by the extraction unit meets a predetermined condition indicating that the specific request is continuously transmitted from a certain number or more of transmission sources. Furthermore, a control unit relearns the profile if the determination unit determines that the specific request meets the predetermined condition.


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