MFA — Multi-Factor Authentication
Definition: A login system that requires two or more verification methods — usually something you know (password) plus something you have (phone, token).
Example
Logging in with a password plus a code from an authenticator app is MFA. It blocks the vast majority of credential-based attacks.
When you'll hear it
MFA shows up most often in engineering planning, architecture reviews, and sprint retrospectives. When someone uses it, they're usually referring to multi-factor authentication — and they expect the room to already know what that means.
FAQs
MFA vs 2FA?
2FA requires exactly two factors. MFA requires two or more. In practice the terms are used interchangeably.
What does MFA stand for?
MFA stands for Multi-Factor Authentication.
What does MFA mean in technology and engineering?
A login system that requires two or more verification methods — usually something you know (password) plus something you have (phone, token).
Where will I hear MFA used at work?
MFA comes up most often in engineering planning, architecture reviews, and sprint retrospectives. It's used as shorthand for multi-factor authentication, so people assume you already know the term.
Related terms
Curious what closing a gap like this is actually worth?
Run the numbers on your own first $10K as a consultant — see exactly how many clients and conversations it takes.
Run your First $10K number →Get the Launchpad — $97
The Scale Ranger Launchpad gives you the outreach scripts, templates, and step-by-step playbooks — everything in one bundle.
Get the Launchpad — $97 ↗