Quick summary
- Term
- 2FA
- Plain-English definition
- 2FA, or two-factor authentication, requires a second proof of identity in addition to a password.
- Technical definition
- 2FA, or two-factor authentication, requires a second proof of identity in addition to a password.
- Commonly confused with
- two-factor authentication
Definition
2FA, or two-factor authentication, requires a second proof of identity in addition to a password.
Why it matters
2FA helps protect domain accounts from unauthorized access.