What Is Two-Factor Authentication (2FA)?
Two-factor authentication requires two different types of verification to access an account: something you know (password) and something you have (phone, security key) or something you are (fingerprint, face). Common 2FA methods include authenticator apps, SMS codes, and hardware security keys.
Also known as: 2FA, MFA, multi-factor authentication
Why Does Two-Factor Authentication (2FA) Matter?
2FA blocks 99.9% of automated account attacks according to Microsoft. Password managers, VPNs, and most SaaS products now support 2FA. Look for products that support hardware security keys (FIDO2/WebAuthn) for the strongest protection.
Products with Two-Factor Authentication (2FA)
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Two-Factor Authentication (2FA) FAQ
What is Two-Factor Authentication (2FA)?
Two-factor authentication requires two different types of verification to access an account: something you know (password) and something you have (phone, security key) or something you are (fingerprint, face). Common 2FA methods include authenticator apps, SMS codes, and hardware security keys.
Why does Two-Factor Authentication (2FA) matter?
2FA blocks 99.9% of automated account attacks according to Microsoft. Password managers, VPNs, and most SaaS products now support 2FA. Look for products that support hardware security keys (FIDO2/WebAuthn) for the strongest protection.
Which products use Two-Factor Authentication (2FA)?
Two-Factor Authentication (2FA) is relevant to Password Managers, VPNs, Email Marketing, CRM Software products. Visit our comparison pages to find products that support this feature.
What is Two-Factor Authentication (2FA) also known as?
Two-Factor Authentication (2FA) is also referred to as: 2FA, MFA, multi-factor authentication.