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. 07, 2017

Filed:

Jul. 25, 2011
Applicants:

Cynthia Kuo, Mountain View, CA (US);

Quinn Jacobson, Sunnyvale, CA (US);

Jonathan Ledlie, Cambridge, MA (US);

Inventors:

Cynthia Kuo, Mountain View, CA (US);

Quinn Jacobson, Sunnyvale, CA (US);

Jonathan Ledlie, Cambridge, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 29/06 (2006.01); G06F 21/31 (2013.01);
U.S. Cl.
CPC ...
H04L 65/1069 (2013.01); G06F 21/31 (2013.01); G06F 2221/2111 (2013.01); G06F 2221/2133 (2013.01);
Abstract

A method comprises receiving a request for generating a challenge for a device or a user of the device. The method also comprises determining location information associated with the device. The method further comprises determining one or more characteristics that are detectable based, at least in part, on the location information. Furthermore, the method comprises generating the challenge based, at least in part, the one or more characteristics.


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