Definition
Authentication
Authentication is the process of verifying the claimed identity of a subject.
It establishes confidence that an entity is who or what it purports to be before granting access to resources.
Classes
Definition
Link to originalKnowledge-based Authentication
Authentication based on information known only to the subject.
Something the subject knows
Examples: passwords, PINs, security questions
Definition
Link to originalPossession-based Authentication
Authentication based on the possession of an object owned by the subject.
Something the subject has
Examples: smart cards, TAN lists, hardware tokens, SIM cards, certificates, authenticator apps
Definition
Link to originalInherence-based Authentication
Authentication based on biometric characteristics of the subject.
Something the subject is
Examples: fingerprint, face recognition, iris recognition, DNA
Methods
- Passwords
- One-Time Passwords
- Challenge-Response
- Biometry