GENERATING CHALLENGE QUESTIONS INFERRED FROM USER HISTORY DATA

摘要

User authentication (300) is provided. At least one of a social network and a business network of each user in a plurality of users is accessed (402). User history data of each user in the plurality of users is monitored in the at least one of the social network and the business network (404). Challenge questions requiring a user response are generated based on monitoring the user history data of the users (406). The user response to a generated challenge question is evaluated (410). A set of events is triggered based on evaluating the user response (412).