Security

MFA and passkeys: understanding the difference

A practical starting point for stronger sign-in protection.

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Multi-factor authentication adds another proof of identity beyond a password. Different authentication methods provide different levels of protection.

Passkeys and FIDO2 security keys can provide phishing-resistant authentication. The credential is tied to the legitimate service rather than entered as a reusable password on a look-alike page.

Plan the rollout around the people and devices involved. Recovery, registration, licensing, and administrative access need to be considered together.

Further reading: Microsoft: authentication methods ↗

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