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The convergence of passkeys, FIDO2, biometrics, and device-based authentication into a system designed to eliminate passwords entirely. Passwordless authentication uses public-key cryptography tied to specific devices, replacing shared secrets with cryptographic challenges that are phishing-resistant by design and do not require users to remember or manage passwords.
Credential theft remains the leading cause of data breaches, and passwordless authentication directly addresses this problem. Security engineers implementing passkey support must understand WebAuthn, platform authenticators, and cross-device flows. Security architects designing authentication strategies increasingly center their plans around a passwordless-first approach.
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The convergence of passkeys, FIDO2, biometrics, and device-based authentication into a system designed to eliminate passwords entirely. Passwordless authentication uses public-key cryptography tied to specific devices, replacing shared secrets with cryptographic challenges that are phishing-resistant by design and do not require users to remember or manage passwords.
Credential theft remains the leading cause of data breaches, and passwordless authentication directly addresses this problem. Security engineers implementing passkey support must understand WebAuthn, platform authenticators, and cross-device flows. Security architects designing authentication strategies increasingly center their plans around a passwordless-first approach.
Cybersecurity professionals who work with Passwordless Authentication include Security Engineer, Security Architect, Chief Information Security Officer. These roles apply Passwordless Authentication knowledge within the Emerging Technology Security domain.
Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.
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