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.
Patent No.:
Date of Patent:
Sep. 10, 2013
Filed:
Apr. 25, 2012
Nancy Cam Winget, Mountain View, CA (US);
Mark Krischer, Pymble, AU;
Sheausong Yang, Saratoga, CA (US);
Ajit Sanzgiri, Los Gatos, CA (US);
Timothy Olson, San Jose, CA (US);
Pauline Shuen, Polo Alto, CA (US);
Nancy Cam Winget, Mountain View, CA (US);
Mark Krischer, Pymble, AU;
Sheausong Yang, Saratoga, CA (US);
Ajit Sanzgiri, Los Gatos, CA (US);
Timothy Olson, San Jose, CA (US);
Pauline Shuen, Polo Alto, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A detection-based defense to a wireless network. Elements of the infrastructure, e.g., access points or scanning-only access points, detect intruders by detecting spoofed frames, such as from rogue access points. Access points include a signature, such as a message integrity check, with their management frames in a manner that enables neighboring access points to be able to validate the management frames, and to detect spoofed frames. When a neighboring access point receives a management frame, obtains a key for the access point sending the frame, and validates the management frame using the key.