Comparison of Passwordless Authentication and MFA for CTOs. Explore security, UX, and implementation strategies for Enterprise SSO and CIAM solutions.

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Passwordless authentication eliminates passwords entirely using public-key cryptography and biometrics stored on user devices, offering stronger phishing resistance and reduced IT support costs compared to traditional MFA. While MFA remains compatible with legacy systems by layering passwords with additional factors, it introduces friction through multiple login steps and suffers from vulnerabilities like SMS interception and MFA fatigue. The passwordless market is projected to reach $457 billion by 2030, with over a third of organizations planning adoption. A hybrid implementation strategy is recommended: start with improved MFA (avoiding SMS), gradually introduce passkeys for power users, and implement adaptive authentication based on risk signals.

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