Methods to prove fragments of ones identity.
Knowledge
Something you Know.
- SSN
- Username
- Password
- Birthday
- Pin
Possession
Something you have.
- Smart Card
- Key Fob
- TGT
- External Hardware Token
Inherence
Something you are.
Activity
Something you do.
- Behavioral analysis of typing
- Card swiping
- Gait Analysis
Location
Somewhere you are.
- GPS to authenticate based off if user is at home.
Temporal
Something you do at specific times.
- Requiring logins at certain times of day or only within a certain window of time like 5 seconds.
Third Party Applications
Third party apps used for authentication into corporate services. They can issue temporary codes and act like Authentication Tokens.