Patent ID: 9177127
Filing Date: 2015-11-03
Classification: G06F,G06N,H04L

Abstract:
1. A method of generating a knowledge-based authentication (KBA) question configured to be provided to a person requesting authentication as a user that is a member of an organization, the KBA question including a query, a correct answer corresponding to the query, and a set of incorrect answers corresponding to the query, the method comprising: producing, by a processor of a KBA system, personal information management (PIM) data from communications involving members of the organization, PIM data from communications involving a particular member of the organization including a reference to the particular member; obtaining, by the processor, a set of user facts from the PIM data that includes a reference to the user; storing the set of user facts in a memory of the KBA system; generating, by the processor, a set of confounders from user facts of the set of user facts stored in the memory of the KBA system; and selecting, by the processor, incorrect answers from the set of confounders to form the set of incorrect answers corresponding to the query of the KBA question; wherein the method further comprises: wherein generating the set of confounders from the user facts includes: wherein the PIM data includes a set of emails, each email of the set of emails including a header containing i) a user identifier that identifies the user, and ii) a context that identifies subject matter of the email; wherein producing the query and the corresponding correct answer of the KBA question includes: wherein producing the set of confounders includes: wherein the method further comprises: