What is the Difference Between a YubiKey and a Passkey?

What is the Difference Between a YubiKey and a Passkey?#

The difference between a YubiKey and a passkey lies in how they manage and store authentication credentials. YubiKeys store credentials directly on the device, making them non-replicable and tied to the physical hardware.

In contrast, passkeys are platform-generated and are mostly synced across devices using cloud accounts, offering greater convenience but relying on cloud-based security measures.

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In-Depth Overview#

YubiKeys and passkeys both play crucial roles in modern authentication methods, but they cater to different security and convenience needs.

YubiKey Overview#

YubiKeys are hardware security keys that provide robust protection by storing FIDO2-enabled credentials directly on the device. This means:

• Non-Replicable Credentials: Credentials are tied to the physical hardware, meaning they cannot be copied or transferred to another device.
• Physical Security: YubiKeys require physical possession of the key to authenticate, which significantly reduces the risk of remote attacks.

Passkey Overview#

Passkeys, on the other hand, are digital credentials generated and managed by the operating system or platform, such as iOS, Android, or Windows. Key features include:

• Cloud Syncing: Passkeys are automatically synced across devices using the user's cloud account or a third-party password manager, which allows seamless access from multiple devices.
• Convenience: This synchronization makes it easier for users to access their accounts from different devices without the need for a physical key.

Choosing Between YubiKey and Passkey#

When deciding whether to use a YubiKey or a passkey, consider the following:

• Security Needs: If your priority is maximum security, a YubiKey may be the better choice due to its hardware-based protection.
• Convenience vs. Security Trade-Off: For users or companies looking for convenience and ease of access across multiple devices, passkeys offer a simpler, more user-friendly option.
• Use Case Scenarios: YubiKeys are often preferred in enterprise environments or by individuals with high security needs, while passkeys are gaining traction in consumer applications due to their ease of use.

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About Corbado

Corbado is the Passkey Intelligence Platform for CIAM teams running consumer authentication at scale. We help you see what IDP logs and generic analytics tools can't: which devices, OS versions, browsers and credential managers support passkeys, why enrollments don't turn into logins, where the WebAuthn flow fails and when an OS / browser update silently breaks login, all without replacing Okta, Auth0, Ping, Cognito or your in-house IDP. Two products: Corbado Observe layers observability for passkeys and any other login method. Corbado Connect adds managed passkeys with analytics built in (alongside your IDP). VicRoads runs passkeys for 5M+ users with Corbado (+80% passkey activation). Talk to a Passkey Expert →