--- title: Web Authentication description: Your users can use hardware keys or their device's biometric readers \(FIDO2\) to authenticate to an instance. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/platform-security/authentication/mfa-web-auth.html release: australia product: Authentication classification: authentication topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Using MFA, Multi-factor authentication, Authentication, Access Management] --- # Web Authentication Your users can use hardware keys or their device's biometric readers \(FIDO2\) to authenticate to an instance. ## Hardware keys
\[Omitted image "hardware-key.png"\] Alt text: Hardware key icon Hardware keys are physical hardware that you can use to authenticate. Hardware keys are inserted into a port on your device to provide authentication. For details on registering hardware keys, see [Register a hardware security key](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/authentication/mfa-setup-hardware-key-auth.md).
## Biometrics
\[Omitted image "biometric-2.png"\] Alt text: Biometrics icon Biometric authenticators use fingerprint or facial recognition to identify users. Your users can use these authenticators on their devices as part of the multi-factor login process. For details on registering biometric authenticators, see [Register a biometric authenticator](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/authentication/mfa-setup-bio-auth.md).
Choose the second factor that you wish to authentication and authenticate to your instance. \[Omitted image "biometirc-mfa.png"\] Alt text: MFA - Biometric or Hardware To configure the web authentication plugin, see .