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Authentication Basics

Last updated on August 3, 2022

Authentication

  • What Is Authentication?
  • What Is Single-Factor Authentication (SFA)?
  • What Is Two-Step Authentication (2SA)?
  • What Is Two-Factor Authentication (2FA)?
  • What’s the Difference Between Password and 2FA?
  • What Is Multi-Factor Authentication (MFA)?
  • Why Is Multi-Factor Authentication (MFA) Important?
  • What’s the Difference Between MFA and 2FA?
  • What’s the Difference Between 2FA and 2SV?
  • What Is Out-of-Band Authentication (OOBA)?
  • What Is Adaptive Authentication (Risk-Based Authentication)?
  • What Is 3FA (Three-Factor Authentication)?

Authentication Factors

  • What Are the Three Authentication Factors?
  • How Many Authentication Factors Are There?

Authentication Methods

  • Multi-Factor Authentication (MFA/2FA) Methods
  • Which Authentication Method Is Most Secure?
  • What Is a Time-Based One-Time Password (TOTP)?
  • MFA and Biometrics as a Remedy for the Weakness of Passwords

Ransomware

  • How Does MFA Protect Against Ransomware?
  • Guide to How to Recover and Prevent a Ransomware Attack
  • 21 Ransomware Prevention Tips You Should Take Now

Zero Trust

  • What is Zero Trust?
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  • Directory Sync

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