Foundation glossary/Identity

Authentication (AuthN)

Companion card for the Foundation course — study the related lesson for full progress.

Simple explanation

Proving who you are.

Technical explanation

Verify identity via knowledge / possession / inherence.

Real-life scenario

Fingerprint to open PhonePe; Google login to Gmail.

Security relevance

Broken authentication is a top breach class — prove identity before trust.

Practical example

Password + TOTP MFA.

Authentication answers: who are you?

Mini quiz

Password + authenticator app is:

Related lesson

Continue in the Foundation course: open lesson →