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. 11, 2020

Filed:

Sep. 06, 2016
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventor:

Seiji Munetoh, Kawasaki, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); H04L 29/06 (2006.01); H04W 4/48 (2018.01); G07C 5/00 (2006.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); G07C 5/008 (2013.01); H04W 4/48 (2018.02);
Abstract

A monitoring device configured to monitor a network to which plural controllers are connected which includes a decoder configured to extract target data belonging to a target data group from data received from the plural controllers, a first comparator configured to determine whether an immutable part of the target data is known or anomalous, a second comparator configured to determine whether a reception interval of the target data group is normal or anomalous, a third comparator configured to determine whether the number of the target data having been received and included in the target data group is normal or anomalous, and determine whether each reception interval between the target data is normal or anomalous, and a warning counter configured to individually count the number of anomalies determined by the first comparator, the number of anomalies determined by the second comparator, and the number of anomalies determined by the third comparator.


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