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:
Aug. 07, 2018

Filed:

Dec. 28, 2015
Applicant:

Arbor Networks, Inc., Burlington, MA (US);

Inventor:

Lawrence B. Huston, III, Ann Arbor, MI (US);

Assignee:

Arbor Networks, Inc., Burlington, MA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06N 3/02 (2006.01); H04L 29/12 (2006.01);
U.S. Cl.
CPC ...
H04L 63/1458 (2013.01); G06N 3/02 (2013.01); H04L 63/1416 (2013.01); H04L 63/1441 (2013.01); H04L 61/1511 (2013.01);
Abstract

A system for mitigating network attacks is provided. The system includes a protected network including a plurality of devices. The system further includes one or more attack mitigation devices communicatively coupled to the protected network. The attack mitigation devices are configured and operable to employ a recurrent neural network (RNN) to obtain probability information related to a request stream. The request stream may include a plurality of at least one of: HTTP, RTSP and/or DNS messages. The attack mitigation devices are further configured to analyze the obtained probability information to detect one or more atypical requests in the request stream. The attack mitigation services are also configured and operable to perform, in response to detecting one or more atypical requests, mitigation actions on the one or more atypical requests in order to block an attack.


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