safetyCommon TermUsage: Common/High Usage
Two-Factor Authentication
too FAK-ter aw-then-tih-KAY-shun
Definition
Extra security requiring a code from email or app when logging in. Also called 2FA or 2SV.
Example Usage
“Enable two-factor authentication to protect your account!”
Note for Parents
Highly recommended for all accounts. Adds one extra step but prevents most account theft.