What is Two Factor Authentication? (2FA)
Two-Factor Authentication is a security method requiring users to provide two different authentication factors to verify identity before accessing systems. Factors typically combine something you know (password) with something you have (mobile device, security token) or something you are (biometric).
Common 2FA implementations send verification codes via text or authenticator apps, require hardware tokens, or use biometric confirmation. For accounting and HR systems containing sensitive financial and personal data, 2FA significantly enhances security beyond password-only protection.
While adding a step to login processes, 2FA dramatically reduces unauthorized access risk from compromised passwords, making it essential for protecting sensitive information, meeting compliance requirements, and maintaining data security.
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