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. 06, 2011

Filed:

Dec. 12, 2005
Applicant:

Jun Itoh, Kawasaki, JP;

Inventor:

Jun Itoh, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

When a program consisting of a plurality of processes is installed in a device, its processing route in the case where the processes normally advance is built as a database, based on the knowledge of a program designer or the like. When the program is executed, routing information indicating the actual process flow along each process flow is generated. Before a new process is activated, the route till then is compared with the correct route stored in the database. If the route till then is abnormal, it is determined that the device is infected with a worm, and the communication port of a device in which the program is installed is cut off and the maintenance terminal is notified of the abnormality.


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