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Passkeys eliminate password vulnerabilities by using cryptographic authentication tied to user devices, enhancing security over traditional Single Sign-On (SSO) systems that rely on centralized identity providers. SSO streamlines access across multiple applications with one set of credentials but remains susceptible to breaches if the central account is compromised. Explore in-depth comparisons to understand which authentication method aligns best with your security needs.
Why it is important
Understanding the difference between passkey and single sign-on (SSO) is crucial for enhancing cybersecurity and streamlining user authentication. Passkeys provide a phishing-resistant, passwordless login method using cryptographic keys tied to a device, improving security against credential theft. Single sign-on enables users to access multiple applications with one set of credentials, increasing convenience but potentially creating a single point of failure. Knowing these distinctions helps organizations choose appropriate authentication strategies to balance security and user experience.
Comparison Table
| Feature | Passkey | Single Sign-On (SSO) |
|---|---|---|
| Definition | Cryptographic credential replacing passwords for secure, passwordless login. | Authentication service allowing one login to access multiple applications. |
| Security | High security via public-key cryptography; resistant to phishing and replay attacks. | Moderate security depending on SSO provider; potential risks if SSO is compromised. |
| User Convenience | Simple, fast login without passwords or additional authentication steps. | Single login session grants access to multiple platforms; reduces password fatigue. |
| Implementation | Requires device and service support for FIDO2/WebAuthn standards. | Requires integration with identity providers using SAML, OAuth, or OpenID Connect. |
| Use Cases | Ideal for personal accounts, high-security environments, and passwordless adoption. | Best for enterprise environments managing access across cloud services and apps. |
| Dependency | Dependent on device security and physical possession. | Dependent on central identity provider uptime and security. |
Which is better?
Passkeys offer enhanced security by eliminating passwords and relying on biometric or device-based authentication, reducing phishing risks and credential theft. Single sign-on (SSO) improves user convenience by enabling access to multiple applications through one set of credentials but can present a single point of failure if compromised. For organizations prioritizing security, passkeys provide stronger defense mechanisms, whereas SSO is optimal for streamlined user management and access control across enterprise environments.
Connection
Passkeys enhance single sign-on (SSO) by providing a secure, passwordless authentication method that simplifies user access across multiple platforms. By using cryptographic key pairs, passkeys eliminate the risks associated with password breaches while enabling seamless login through SSO frameworks. Integration of passkeys in SSO systems improves security, reduces friction, and supports strong user identity verification across diverse digital services.
Key Terms
Authentication
Single sign-on (SSO) streamlines user authentication by allowing access to multiple applications through one set of credentials, reducing password fatigue and improving security management via centralized control. Passkeys leverage cryptographic authentication replacing traditional passwords with biometric or device-based verification, significantly enhancing security against phishing and credential theft. Explore detailed comparisons and implementation strategies to optimize your authentication framework.
Credential Management
Single sign-on (SSO) streamlines access by enabling users to authenticate once and gain entry to multiple applications through centralized credential management, reducing password fatigue and administrative overhead. Passkeys utilize cryptographic credentials stored securely on devices, eliminating the need for passwords and enhancing security by preventing phishing and credential theft. Explore detailed comparisons to understand which credential management approach best suits your security and usability needs.
User Experience
Single sign-on (SSO) streamlines user experience by enabling access to multiple applications with one set of credentials, reducing password fatigue and login friction. Passkeys enhance security and convenience through passwordless authentication using cryptographic keys, eliminating traditional password vulnerabilities and simplifying the login process. Explore how these authentication methods impact usability and security to make an informed choice for your organization's needs.
Source and External Links
Single sign-on - Wikipedia - SSO is an authentication scheme that lets a user log in once and access multiple related, independent systems with a single set of credentials.
What is SSO? | TechTarget - SSO is a session and user authentication service that allows users to access multiple applications or systems with just one set of login credentials, improving convenience and security.
What is SSO? - AWS - SSO enables users to log in to multiple applications and websites with a single authentication, eliminating the need for repeated logins and helping organizations improve both security and user experience.