1. A computing device for a multi-factor authentication of a user, the computing device comprising: a plurality of sensors to collect sensor data related to the user and an environment of the computing device; a reliability score determination module to determine a reliability score for each of a plurality of biometric authentication factors submitted by the user based on the sensor data, the reliability score indicative of a weight applied to a biometric authentication factor that corresponds to the reliability score; a feature vector generator module to generate a feature vector that includes the reliability score and a confidence score for each biometric authentication factor, the confidence score indicative of a likelihood of authentication of the biometric authentication factor; a classification determination module to determine an authentication classification based on the feature vector, wherein the authentication classification is determined based on classification rules in response to a determination that the classification rules have matured; and an authorization control module to perform an authorization action based on the authentication classification.