1. A method for behavioral fingerprinting via social networking interaction, the method being at least partially implemented by a device, the method comprising: obtaining at least one indication of family relation for at least one authorized user via at least one social networking interaction; and incorporating the at least one indication of family relation into at least one behavioral fingerprint that is associated with the at least one authorized user, the at least one behavioral fingerprint including one or more indicators of utilization of one or more user devices by the at least one authorized user.