The University of SydneyPage 33Corroborative evidence
–We are looking for factors that are unique to an entity. Classic categorisation: –Possession: Something the entity/user has–Physical key, phone to send SMS messages to –Inherence: Something the user is–Biometrics: fingerprints, iris scan, face and voice recognition –Knowledge: Something the user knows–Passwords, security questions (mother’s maiden name, etc.)