Definition
FIDO2 is a set of open authentication standards enabling passwordless and phishing-resistant sign-in using security keys and platform authenticators.
Why it matters for business
Open standards for passwordless, phishing-resistant authentication. Identity and Microsoft 365 decisions often turn on understanding this term clearly.
Example in an SMB context
A growing firm might encounter FIDO2 while hardening Entra ID, reviewing Secure Score, or rolling out stronger MFA for administrators.
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