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:
Apr. 26, 2016

Filed:

Jul. 07, 2014
Applicants:

George Mason Research Foundation, Inc., Fairfax, VA (US);

The United States of America, As Represented BY the Secretary of Commerce, the National Institute of Standards and Technology, Washington, DC (US);

Inventors:

Sushil Jajodia, Oakton, VA (US);

Lingyu Wang, Montreal, CA;

Steven Noel, Woodbridge, VA (US);

Anoop Singhal, Germantown, MD (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 21/57 (2013.01);
U.S. Cl.
CPC ...
H04L 63/1433 (2013.01); G06F 21/577 (2013.01);
Abstract

Systems and methods for determining a safety level of a network vulnerable to attack from at least one origin to at least one target are described. Machines, components, and vulnerabilities in a network may be associated to one another. Degrees of similarity among the vulnerabilities may be determined and subsets of vulnerabilities may be grouped based on their determined degrees of similarity to one another. This data may be used to generate an attack graph describing exploitation of vulnerabilities and grouped vulnerabilities and defining vulnerability exploit condition relationships between at least one origin and at least one target. The attack graph may be analyzed using a k-zero day metric function to determine a safety level.


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