Abstract: The invention relates to a customer authentication system that comprises: identifying a customer identification based on a customer input; using the customer identification, identifying a plurality of IoT devices associated with the customer where the customer has an authentication set of IoT devices; receiving a user selection of IoT devices; determining whether the user selection matches the authentication set of IoT devices; connecting to one or more of the user selected IoT devices; transmitting a request to one or more of the user selected IoT devices for user interaction data; and verifying user activity based on the user interaction data.