1. A method of performing multiple-factor authentication of a user within an account network, the method comprising: receiving user credentials of the user and device credentials generated by a device employed by the user to access the account network; associating a user identifier of the user credentials with a device identifier of the device credentials to represent a trust relationship between the user and the device; evaluating the user credentials and the device credentials to generate verification results; providing evidence of identity of the user based on the verification results of both the user credentials and the device credentials.