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:
Oct. 16, 2018

Filed:

Mar. 16, 2015
Applicant:

Nippon Telegraph and Telephone Corporation, Chiyoda-ku, JP;

Inventors:

Kensuke Nakata, Musashino, JP;

Kazunori Kamiya, Musashino, JP;

Takeshi Yagi, Musashino, JP;

Tohru Sato, Musashino, JP;

Daiki Chiba, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 12/64 (2006.01); G06F 21/55 (2013.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04L 63/20 (2013.01); G06F 21/552 (2013.01); H04L 12/6418 (2013.01); H04L 43/04 (2013.01); G06F 2221/2151 (2013.01); H04L 63/1425 (2013.01); H04L 2463/144 (2013.01);
Abstract

There is provided an analysis rule adjustment device that adjusts an analysis rule used in a communication log analysis performed to detect malicious communication through a network. The analysis rule adjustment device includes a log acquisition unit, a log analysis unit, and a first analysis unit. The log acquisition unit acquires a communication log through a network to be defended and a communication log generated by malware. The log analysis unit analyzes the communication log acquired by the log acquisition unit on the basis of predetermined analysis rule and tuning condition. The first analysis unit analyzes an analysis result by the log analysis unit and calculates a recommended tuning value used in an adjustment of the predetermined analysis rule and satisfying the tuning condition.


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