Patent ID: 8966579
Filing Date: 2015-02-24
Classification: G06F,G06Q,G07F,H04L

Abstract:
1. A method for providing authentication of a user to a sender comprising: generating, by a sender unit, a challenge for user authentication, having challenge data elements from a stored pool of challenge data elements, wherein the stored pool of challenge data elements represents location information that can be located on an authentication article, the authentication challenge comprising at least a first portion and a second portion, generating, by the sender unit, the first portion based on stored usage data, corresponding to at least one of the challenge data elements wherein the stored usage data indicates a level of prior authentication challenge uses of the at least one of the challenge data elements in the stored pool in previous authentication challenges, and first rule data, and generating, by the sender unit, the second portion based on stored usage data, corresponding to at least another challenge data element, and second rule data, wherein the second rule data is different from the first rule data.