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Cyber Security Academy · Lesson

Authentication Factors

Something you know, have, are.

What Is Authentication?

Authentication is proving you are who you claim to be.

Strong authentication relies on combining different factors, each a distinct kind of proof.

The Three Factor Types

Authentication factors fall into three categories:

  • Something you know (a password or PIN)
  • Something you have (a phone or security key)
  • Something you are (a fingerprint or face)

All lessons in this course

  1. Authentication Factors
  2. TOTP and HOTP
  3. Push and Hardware Keys
  4. MFA Bypass Risks
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