IA-5(12)_biometric-authentication-performance
DevOps & SecurityFor biometric-based authentication, employ mechanisms that satisfy the following biometric quality requirements [organization-defined].
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IA-5(12) Biometric Authentication Performance
Enhancement of: IA-5
High-Level Description
Family: Identification and Authentication (IA) Framework: NIST SP 800-53 Rev 5
Unlike password-based authentication, which provides exact matches of user-input passwords to stored passwords, biometric authentication does not provide exact matches. Depending on the type of biometric and the type of collection mechanism, there is likely to be some divergence from the presented biometric and the stored biometric that serves as the basis for comparison. Matching performance is the rate at which a biometric algorithm correctly results in a match for a genuine user and rejects other users. Biometric performance requirements include the match rate, which reflects the accuracy of the biometric matching algorithm used by a system.
What to Check
- Verify IA-5(12) Biometric Authentication Performance is documented in SSP
- Confirm control is operating effectively
- Review evidence of continuous monitoring for IA-5(12)
- Verify enhancement builds upon base control IA-5
How to Test
Step 1: Review Documentation
Examine the System Security Plan (SSP) and related artifacts for IA-5(12) implementation details. Verify the organization has documented how this control is satisfied.
Step 2: Validate Implementation
# For cloud environments, use cloud-audit-mcp tools
# For on-premises, review system configurations directly
# Example: Check if account management policies exist
grep -r "account.management\|access.control" /etc/security/ 2>/dev/null
Step 3: Test Operating Effectiveness
Verify the control is actively functioning, not just documented. Check logs, configurations, and operational evidence.
Tools
| Tool | Purpose | Usage |
|---|---|---|
| cloud-audit-mcp | Check authentication settings | cloud_audit_iam_policies |
| hackbrowser-mcp | Test authentication mechanisms | browser_auth_test |
Remediation Guide
Control Statement
For biometric-based authentication, employ mechanisms that satisfy the following biometric quality requirements [organization-defined].
Implementation Guidance
Unlike password-based authentication, which provides exact matches of user-input passwords to stored passwords, biometric authentication does not provide exact matches. Depending on the type of biometric and the type of collection mechanism, there is likely to be some divergence from the presented biometric and the stored biometric that serves as the basis for comparison. Matching performance is the rate at which a biometric algorithm correctly results in a match for a genuine user and rejects other users. Biometric performance requirements include the match rate, which reflects the accuracy of the biometric matching algorithm used by a system.
Risk Assessment
| Finding | Severity | Impact |
|---|---|---|
| IA-5(12) Biometric Authentication Performance not implemented | High | Identification and Authentication |
| IA-5(12) partially implemented | Medium | Incomplete Identification and Authentication |
CWE Categories
| CWE ID | Title |
|---|---|
| CWE-287 | Improper Authentication |
References
- NIST SP 800-53 Rev 5 - IA-5(12)
- NIST SP 800-53A Rev 5 (Assessment Procedures)
- NIST SP 800-53 Rev 5 Full Catalog
Checklist
- Control documented in SSP
- Implementation evidence collected
- Operating effectiveness validated
- Continuous monitoring in place
- Related controls (AC-7) reviewed