What is MFA (Multi-Factor Authentication)?
A security method requiring multiple forms of verification, such as something you know, have, and are.
Why It Matters
MFA provides stronger security than passwords alone by requiring attackers to compromise multiple factors.
Real-World Example
Logging in with a password (something you know), a phone code (something you have), and a fingerprint (something you are).
“Understanding terms like MFA (Multi-Factor Authentication) matters because it helps you have better conversations with developers and make smarter decisions about your software. You do not need to be technical. You just need to know enough to ask the right questions.”
Related Terms
Two-Factor Authentication (2FA)
A security method requiring two different types of verification to log in, like a password plus a phone code.
Authentication
The process of verifying who someone is, usually through a username and password
SSO (Single Sign-On)
A system that lets users log in once and access multiple applications without signing in again.
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Related Terms
Authentication
The process of verifying who someone is, usually through a username and password
Two-Factor Authentication (2FA)
A security method requiring two different types of verification to log in, like a password plus a phone code.
SSO (Single Sign-On)
A system that lets users log in once and access multiple applications without signing in again.
Authorisation
Determining what actions or data a verified user is allowed to access
OAuth
A standard that lets you log into apps using your existing accounts from Google, Facebook, or other providers
JWT (JSON Web Token)
A secure digital pass that proves who you are without needing to check the database every time