A 3D password is a multifactor authentication scheme that combines

RECOGNITION+RECALL+TOKENS+BIOMETRICS

in one authentication system.

The 3D password presents a virtual environment containing various virtual objects. The user walks through the environment and interacts with the objects. It is the combination and sequence of user interaction that occur in the 3D environment.

Virtual object

Virtual object can be any object we encounter in real life:

1. A computer with which the user can type;
2. A fingerprint reader that requires the user’s fingerprint;
3. A biometric recognition device;
4. A paper or a white board that a user can write, sign, or draw on;
5. An automated teller machine (ATM) that requests a token;
6. A light that can be switched on/off;
7. A television or radio where channels can be selected;
8. A staple that can be punched;
9. A car that can be driven;
10. Any real life object;
11. Any graphical password scheme;

3D Virtual environment

• 3d virtual environment affects the usability, effective, and acceptability of a 3D password system.
• 3d virtual environment reflects the administration needs and the security requirements.

Application

The 3D password’s main application domain are protecting critical system and resources.

• Critical servers.
• Nuclear reactors & military facilities.
• Airplanes and missile guiding.