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Authnull Authenticator

Asif Ali

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About this app

AuthNull Authenticator is the companion app for the AuthNull identity and privileged access platform. When you sign in to a system your organization protects with AuthNull, your iPhone gets a request. Approve it with one tap, or deny it if it wasn't you. Works with: • Windows and Active Directory sign-ins • VPN (RADIUS) logins • Database access • Privileged password reveal • The AuthNull console and connected apps Approve with confidence • See what is being approved before you answer: the system, the user, the location and a risk level • Number matching: tap the number shown on your sign-in screen, so a request you didn't start can't be approved by mistake • Requests answered on another of your phones clear automatically Secured by your iPhone's hardware • Every approval is signed with a key created in the Secure Enclave. It never leaves the device. • Optional Face ID or Touch ID check on every approval • App lock with a 6-digit PIN, and unlock with Face ID or Touch ID One person, many places • Use the same account across several tenants of your organization • Add up to 10 phones to your account, and sign out any of them from Settings › Devices • Get an alert when a new phone is added to your account Easy to set up • Scan the QR code from your invite, open the invite link, enter an activation code, or sign in to your organization (including single sign-on) • Works with AuthNull cloud and on-premises servers, including private servers reached over VPN One-time codes • Add six-digit one-time codes (TOTP) for other services. The secrets stay on your iPhone. AuthNull Authenticator needs an account from an organization that uses AuthNull. Ask your administrator for an invite.

What's new

Version 3.4.4 · Nov 4, 2026

Supports AuthNull servers on private and cloud internal networks addressed by IP. Small fixes.

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