Passwordless authentication: your options explained

Passwordless authentication offers a seamless and secure alternative by replacing passwords with technologies like biometrics, single-use codes, and cryptographic keys. Biometrics are widely used and recognized as a more secure alternative to traditional authentication methods like passwords and PINs. However, they come with limitations such as costs, false negatives, bias, and the risk of hackers getting access to biometric data. One-Time Passwords (OTPs) are considered more secure than traditional passwords but have limitations such as network dependence, device dependence, SMS susceptibility, and scalability issues. Magic links offer a low-cost solution with fast and seamless login experiences but rely on user security measures and can be shared or intercepted. Passkeys use public-private cryptographic key pairs to authenticate users and offer high security, ease of use, and eliminate the credentials-sharing issue. However, their adoption is limited by integration and user experience issues. Ultimately, a combination of different technologies such as SSO with biometrics, OTPs, or passkeys may be necessary for the best security and user experience.

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