MFA
/em ef eɪ/
Definition
Multi-Factor Authentication — requiring two or more verification factors (password + OTP, passkey, etc.) to prove identity.
Example in context
"All admin accounts require MFA — knowing the password alone isn't enough to access production."
Practice this term
Master MFA in context by working through exercises in the Cybersecurity module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.