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:
May. 03, 2016

Filed:

Mar. 05, 2014
Applicant:

Microsoft Technology Licensing, Llc, Redmond, WA (US);

Inventors:

Bryce B. Baril, Lynnwood, WA (US);

Alexander G. Gounares, Kirkland, WA (US);

Russell S. Krajec, Loveland, CO (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/44 (2006.01); G06F 11/36 (2006.01); G06F 11/34 (2006.01);
U.S. Cl.
CPC ...
G06F 11/3688 (2013.01); G06F 11/3466 (2013.01); G06F 11/3616 (2013.01); G06F 11/3636 (2013.01);
Abstract

N-grams of input streams or functions executed by an application may be analyzed to identify security breaches or other anomalous behavior. A histogram of n-grams representing sequences of executed functions or input streams may be generated through baseline testing or production use. An alerting system may compare real time n-gram observations to the histogram of n-grams to identify security breaches or other changes in application behavior that may be anomalous. An alert may be generated that identifies the anomalous behavior. The alerting system may be trained using known good datasets and may identify deviations as bad behavior. The alerting system may be trained using known bad datasets and may identify matching behavior as bad behavior.


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