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What Is Two‑Factor Authentication (2FA) — and Why It Matters

Passwords alone are porous. Two‑factor authentication adds a second barrier—be it a code, token, or biometric—to prevent unauthorized account access. Here's how 2FA works and steps to roll it out company‑wide.

By Total Assure Team
Access ManagementCybersecurity Best Practices
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How 2FA Works

  1. Something you know – password or passphrase
  2. Something you have/are – TOTP app, hardware key, or fingerprint

Deployment Tips

  • Favor FIDO2 hardware keys for admin accounts.
  • Enable push‑based authenticators for user convenience.
  • Disable legacy SMS if possible.

Studies show 2FA blocks 99.9 % of automated credential attacks.

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