False Acceptance Rate (FAR)
False Acceptance Rate, or FAR, is a measure of how often a biometric authentication system incorrectly authenticates an unauthorized user.
Authentication systems should strive to have the lowest possible FAR for accuracy and security purposes, and virtually any nonzero FAR is considered unacceptable for security-critical systems.
2FA/MFA Rapid Reference
Authentication at a glance
Download the 2FA/MFA Rapid Reference now:
- 2FA and MFA basics and common solutions
- The benefits and drawbacks of each
- Glossary of authentication terms
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