Patent ID: 9191215
Filing Date: 2015-11-17
Classification: G06F,G06Q,G07F,H04L

Abstract:
1. A method for providing second factor authentication comprising: providing, by an authentication device, selectability of a plurality of second factor authentication policies associated with a second factor authentication article comprising a card containing row and column identification information and corresponding sender authentication information at row and column positions on the card to serve as response data to a challenge, to provide a second factor of user authentication; providing, based on a selected policy of the plurality of second factor authentication policies that determines a length of a challenge sent as part of a second factor authentication process, by the authentication device, second factor authentication based on received response data corresponding to sender authentication information at row and column positions on the second factor authentication article, by enforcing at least one of the plurality of the selected policies wherein at least one of the selected policies is a challenge strength policy.