MFA authenticator assurance level calculator

Not all Multi-Factor Authentication (MFA) challenges are created equal. Find out which combination of authentication factors can help you achieve the desired Authenticator Assurance Level (AAL) leveraging NIST digital identity guidelines.

Choose Your Authentication Challenges

Select a maximum of two challenges in any order.

QR code

Push Notification

Password*

Authenticator App

Phone Call

SMS

Hardware Token

Multi-factor Hardware Token

PIV/CAC Smartcard

Secret Question*

Multi-factor OTP Device

Select up to two challenges from above to see Authenticator Assurance Level

Please keep in mind that this tool does not guarantee compliance with NIST guidelines. Please reference NIST Special Publication 800-63B directly for details and specifics.
* Additional requirements apply, see NIST guidance for details

MFA authenticator assurance level calculator

Not all Multi-Factor Authentication (MFA) challenges are created equal. Find out which combination of authentication factors can help you achieve the desired Authenticator Assurance Level (AAL) leveraging NIST digital identity guidelines.

Choose Your Authentication Challenges

Select a maximum of two challenges in any order.

Select up to two challenges from above to see Authenticator Assurance Level

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