Protegy glossary

Two-factor authentication (2FA)

Definition

A sign-in method that asks for two different proofs of identity, commonly a password and something you possess, such as a rotating code, passkey, or security key.

Why it matters

Understanding this term helps you compare security options and choose the right recovery plan without relying on marketing claims.

Practical tip

Keep recovery information separate from the device or vault it is meant to recover, and test your setup before you need it.

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