Authenticating online users with distorted challenges based on transaction histories
US8793760B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 31, 2011 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | Oct 27, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2133
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for authenticating a user by a service provider includes providing at least one network, providing at least one processor, and using the at least one network and processor to receive user identification data from the user, generate and display to the user a Captcha-like challenge based on at least one previous transaction involving and known by the user and the service provider, receive a response to the challenge from the user, and determine whether the user is authentic based on the response.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.