What is Passwordless Authentication?
Passwordless authentication is an authentication mechanism in which users log in to systems without typing a password. Instead, passwordless authentication usually takes the form of possession factor (something you have) or inherent factor (biometrics - something you are).
Passwordless authentication relies on a cryptographic key pair with a private and public key. The cryptographic key pair makes the passwordless method of authentication more secure.
Examples of passwordless factors that can be used to replace passwords:
- Hardware token
- Software token (using a phone)
- Smart card
- NFC tag
- Fingerprint scan
- Facial recognition scan
- Iris scan
- Vein scan
- Behavioral factors such as typing walking and typing dynamics
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