C
CIOPages
Back to Glossary

Emerging Technology

Passkeys

Passkeys are a modern, passwordless authentication standard based on FIDO2/WebAuthn protocols that replace traditional passwords with cryptographic key pairs, enabling users to authenticate using biometrics (fingerprint, face recognition), device PINs, or security keys, providing phishing-resistant authentication that is both more secure and more convenient than passwords.

Context for Technology Leaders

For CIOs, passkeys represent the most significant advancement in authentication in decades, addressing the fundamental security weaknesses of passwords while improving user experience. Enterprise architects should develop passkey migration strategies for both customer-facing and employee authentication systems.

Key Principles

  • 1Phishing Resistance: Passkeys use origin-bound cryptographic key pairs that cannot be phished, replayed, or stolen through credential databases breaches.
  • 2User Convenience: Authentication through biometrics or device PIN is faster and easier than remembering and typing passwords, improving user experience while strengthening security.
  • 3Cross-Platform Support: Passkeys are supported by all major platform vendors (Apple, Google, Microsoft) and can sync across devices through cloud keychain services.
  • 4Standards-Based: Built on FIDO2/WebAuthn standards, passkeys provide interoperable authentication across websites and applications without vendor lock-in.

Strategic Implications for CIOs

CIOs should accelerate passkey adoption for both customer and employee authentication, developing migration strategies that transition from passwords while maintaining backward compatibility during the transition period.

Common Misconception

A common misconception is that passkeys require dedicated hardware security keys. While hardware keys are one option, passkeys primarily use built-in device biometrics (fingerprint sensors, face recognition) and PINs, requiring no additional hardware for users with modern smartphones or computers.

Related Terms

BiometricsZero TrustIdentity ManagementCybersecurityFIDO2