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:
Mar. 26, 2024

Filed:

Jan. 31, 2018
Applicant:

Sophos Limited;

Inventors:

Richard Harang, Alexandria, VA (US);

Joshua Daniel Saxe, Los Angeles, CA (US);

Assignee:

Sophos Limited, Abingdon, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06N 20/00 (2019.01); G06F 21/56 (2013.01); G06F 16/80 (2019.01);
U.S. Cl.
CPC ...
G06N 20/00 (2019.01); G06F 21/56 (2013.01); G06F 16/80 (2019.01); G06F 2221/033 (2013.01); G06F 2221/034 (2013.01);
Abstract

In some embodiments, a non-transitory processor-readable medium stores code representing instructions to be executed by a processor. The code includes code to cause the processor to receive a structured file for which a machine learning model has made a malicious content classification. The code further includes code to remove a portion of the structured file to define a modified structured file that follows a format associated with a type of the structured file. The code further includes code to extract a set of features from the modified structured file. The code further includes code to provide the set of features as an input to the machine learning model to produce an output. The code further includes code to identify an impact of the portion of the structured file on the malicious content classification of the structured file based on the output.


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