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:
Jul. 24, 2018

Filed:

Apr. 24, 2017
Applicant:

Fireeye, Inc., Milpitas, CA (US);

Inventors:

Ali Islam, Milpitas, CA (US);

Zheng Bu, Fremont, CA (US);

Assignee:

FireEye, Inc., Milpitas, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 63/1425 (2013.01); H04L 63/145 (2013.01); H04L 63/1416 (2013.01);
Abstract

One embodiment of a method for detecting a cyber-attack features first and second analyzes. The first analysis is conducted on content of a communication to determine at least a first high quality indicator. The first high quality indicator represents a first probative value for classification. The second analysis is conducted on metadata related to the content to determine supplemental indicator(s). Each of the supplemental indicator(s) is represented by a probative value for classification. The communication is classified as being part of the cyber-attack when the first probative value exceeds a predetermined threshold without consideration of the corresponding probative values for the supplemental indicator(s). In response to the first high quality indicator failing to classify the network communication, using the corresponding probative values associated with the one or more supplemental indicators with at least the first probative value to classify the network communication as being part of the cyber-attack.


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