Auth0 MFA Deep Dive — Multi-Factor Authentication with Auth0

DodaTech Updated 2026-06-28 1 min read

In this tutorial, you'll learn about Auth0 Mfa. We cover key concepts, practical examples, and best practices to help you understand and apply this topic effectively.

Auth0 MFA adds additional security layers through multiple factor types and adaptive policies.

const mfaPolicy = await auth0.guardian.update({
  factors: {
    'push-notification': { enabled: true },
    otp: { enabled: true },
    sms: { enabled: false },
    email: { enabled: true }
  },
  enrollment: { frequency: { interval: 0, unit: 'months' } }
});

exports.onExecutePostLogin = async (event, api) => {
  const highRisk = [
    event.request.ip !== event.user.last_ip_used,
    event.request.geoip?.country_code !== event.user.last_country
  ].filter(Boolean).length >= 2;

  if (highRisk) {
    api.authentication.enableMFA({
      provider: 'any',
      allowRememberBrowser: false
    });
  }
};

Adaptive MFA applies step-up authentication only when risk indicators suggest it is necessary.

← Previous Auth0 CIAM Best Practices — Customer Identity and Access Management Next → Auth0 Logging and Monitoring — Observability for Auth0

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