Vincent
Created: February 3, 2025
Updated: February 3, 2025
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Read full blog postAttestation is a mechanism in WebAuthn that allows relying parties to verify the origin and authenticity of an authenticator (such as a passkey). However, some platforms do not support attestation for passkeys due to privacy concerns, technical limitations, and interoperability considerations.
Privacy Concerns
Interoperability and User Experience
Reliance on Cloud-Synced Passkeys
Security Trade-Offs
Platform Policies and Implementation Choices
Not all platforms support passkey attestation due to privacy concerns, cloud-based storage models, and the need for cross-device compatibility. While attestation provides additional security, it is not a mandatory requirement for phishing-resistant authentication. Organizations should balance security needs with user experience when implementing passkeys.
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