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:
Feb. 28, 2023

Filed:

Nov. 16, 2018
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventor:

Mayuko Tanaka, Tokyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 9/40 (2022.01); G06Q 10/0631 (2023.01); G06Q 30/018 (2023.01); H04L 67/12 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); G06Q 10/06316 (2013.01); G06Q 30/0185 (2013.01); H04L 63/1416 (2013.01); H04L 67/12 (2013.01);
Abstract

An abuse using a legitimate communication used for executing a business sequence is detected. A legitimate communication determination processing unitdetermines whether or not a communication packet received by a communication destination device is a legitimate communication packet permitted by a monitoring target systembased on meta information extracted by a packet collection processing unita sequence packet identification processing unitdetermines whether or not the communication packet determined to be the legitimate communication packet by the legitimate communication determination processing unitis a communication packet constituting the business sequence, and a sequence establishment determination processing unitdetermines whether or not the business sequence related to the communication packet determined to constitute the business sequence by the sequence packet identification processing unitis established.


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