The core MFA guide

Multi-Factor Authentication

Multi-factor authentication verifies identity with more than one signal: something you know, something you have, something you are, or something proven by trusted context.

Multi-Factor Authentication case study

Multi-factor authentication verifies identity with more than one signal: something you know, something you have, something you are, or something proven by trusted context.

  • MFA combines independent proof signals so that a password alone is not enough to take over an account.
  • Programs usually start with high-risk users, then expand to workforce and customer journeys.
  • Modern MFA should move toward phishing-resistant options such as passkeys and hardware security keys.