link: Passwordless Authentication
Biometric Authentication
Overview
Biometric Authentication is a Passwordless Authentication method that uses unique biological characteristics of an individual, such as fingerprints, facial recognition, or iris scans, to verify their identity. This method provides a high level of security by relying on unique physical traits that are difficult to replicate.
Types of Biometric Authentication
Types of Biometric Authentication
- Fingerprint Recognition: Uses unique patterns on an individual’s fingertips to authenticate identity.
- Facial Recognition: Analyzes facial features and matches them against stored data.
- Iris Recognition: Scans the unique patterns in the colored ring of the eye.
- Voice Recognition: Identifies individuals based on their unique vocal characteristics.
- Retina Scanning: Examines the unique pattern of blood vessels at the back of the eye.
- Hand Geometry: Measures the shape and size of the hand and fingers.
- Behavioral Biometrics: Analyzes patterns in the user’s behavior, such as typing rhythm or gait.
How Biometric Authentication Works
- Enrollment: The user provides a biometric sample (e.g., fingerprint, face scan) to the system during the initial setup.
- Storage: The biometric data is converted into a digital template and securely stored.
- Authentication Request: When the user attempts to log in, they provide a new biometric sample.
- Comparison: The system compares the new sample with the stored template.
- Access Granted: If the samples match, the user is authenticated and granted access.
Pros and Cons
Pros
- High Security: Difficult to forge or replicate biometric data.
- Convenience: No need to remember passwords or carry tokens.
- Quick Authentication: Fast and efficient login process.
Cons
- Privacy Concerns: Potential risks if biometric data is compromised.
- Equipment Requirements: Requires specialized hardware for capturing biometric data.
- False Rejections: Environmental factors or changes in the user’s biometric traits can lead to false rejections.