Usable Authentication: authentication mechanisms, biometrics, two-factor authentication
Password Authentication
Password Attacks
- Human
- Brute force
- Common word
- Dictionary word
Two-Factor Authentication
- Password & one time unique code
Security of TFA
- More secure
- Stops most hacking attacks
- Users perceive it as more secure
Usability of TFA
- Research says:
- Speed: Slower
- User Preference;
- Felt less usable
- Less convenient
- Harder to use
Biometric Authentication
- Fingerprints, voice and facial scan etc.
Usability of Biometrics
- Voice Recognition
- Speed: medium
- Efficiency: medium
- Learnability: easy
- Memorability: easy
- Facial Recognition
- Speed: medium
- Efficiency: medium
- Learnability: easy
- Memorability: easy
- Fingerprint Recognition
- Speed: fast
- Efficiency: good
- Learnability: easy
- Memorability: easy
Analyzing Security
- Who can access the device?
- How easily can they replicate the biometrics input?
Gesture-based Authentication
- Keypad Gestures
- Free Gestures
- Draw your Signatures
- Multi-touch
Benefits
- Gestures users enjoy tend to be more secure
- Users prefer gestures to passwords
- Faster than passwords, less error-prone