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:
Nov. 14, 2023

Filed:

Apr. 23, 2019
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Kotomi Kuroki, Musashino, JP;

Yo Kanemoto, Musashino, JP;

Kazufumi Aoki, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); H04L 63/1416 (2013.01);
Abstract

A regularization unit standardizes similar expressions across a plurality of URIs in access logs of requests made to a plurality of web servers, thereby changing the URIs into regularized URIs. A calculation unit calculates, among the access logs that are from the same source, the relative frequency of certain access logs to all access logs, the certain access logs corresponding to requests made to different destinations for the same regularized URI and also corresponding to certain response codes. If the largest of all the relative frequencies calculated for the regularized URIs is at least a certain threshold, a determination unit determines the regularized URIs to be scanning targets.


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