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Covers WebAuthn API integration, FIDO2 server configuration,\n  passkey enrollment, biometric authentica\ndomain: cybersecurity\nsubdomain: identity-access-management\ntags:\n- iam\n- identity\n- access-control\n- authentication\n- fido2\n- webauthn\n- passwordless\nversion: '1.0'\nauthor: mahipal\nlicense: Apache-2.0\natlas_techniques:\n- AML.T0051\n- AML.T0054\n- AML.T0056\nnist_ai_rmf:\n- MEASURE-2.7\n- MEASURE-2.5\n- GOVERN-6.1\n- MAP-5.1\nnist_csf:\n- PR.AA-01\n- PR.AA-02\n- PR.AA-05\n- PR.AA-06\nmitre_attack:\n- T1078\n- T1110\n- T1556\n- T1098\n---\n# Implementing Passwordless Authentication with FIDO2\n\n## Overview\nDeploy FIDO2\u002FWebAuthn passwordless authentication using security keys and platform authenticators. Covers WebAuthn API integration, FIDO2 server configuration, passkey enrollment, biometric authentication, and migration from password-based systems aligned with NIST SP 800-63B AAL3.\n\n\n## When to Use\n\n- When deploying or configuring implementing passwordless authentication with fido2 capabilities in your environment\n- When establishing security controls aligned to compliance requirements\n- When building or improving security architecture for this domain\n- When conducting security assessments that require this implementation\n\n## Prerequisites\n\n- Familiarity with identity access management concepts and tools\n- Access to a test or lab environment for safe execution\n- Python 3.8+ with required dependencies installed\n- Appropriate authorization for any testing activities\n\n## Objectives\n- Implement comprehensive implementing passwordless authentication with fido2 capability\n- Establish automated discovery and monitoring processes\n- Integrate with enterprise IAM and security tools\n- Generate compliance-ready documentation and reports\n- Align with NIST 800-53 access control requirements\n\n## Security Controls\n| Control | NIST 800-53 | Description |\n|---------|-------------|-------------|\n| Account Management | AC-2 | Lifecycle management |\n| Access Enforcement | AC-3 | Policy-based access control |\n| Least Privilege | AC-6 | Minimum necessary permissions |\n| Audit Logging | AU-3 | Authentication and access events |\n| Identification | IA-2 | User and service identification |\n\n## Verification\n- [ ] Implementation tested in non-production environment\n- [ ] Security policies configured and enforced\n- [ ] Audit logging enabled and forwarding to SIEM\n- [ ] Documentation and runbooks complete\n- [ ] Compliance evidence generated\n","# Implementing Passwordless Authentication with FIDO2\n\n## Overview\nDeploy FIDO2\u002FWebAuthn passwordless authentication using security keys and platform authenticators. Covers WebAuthn API integration, FIDO2 server configuration, passkey enrollment, biometric authentication, and migration from password-based systems aligned with NIST SP 800-63B AAL3.\n\n\n## When to Use\n\n- When deploying or configuring implementing passwordless authentication with fido2 capabilities in your environment\n- When establishing security controls aligned to compliance requirements\n- When building or improving security architecture for this domain\n- When conducting security assessments that require this implementation\n\n## Prerequisites\n\n- Familiarity with identity access management concepts and tools\n- Access to a test or lab environment for safe execution\n- Python 3.8+ with required dependencies installed\n- Appropriate authorization for any testing activities\n\n## Objectives\n- Implement comprehensive implementing passwordless authentication with fido2 capability\n- Establish automated discovery and monitoring processes\n- Integrate with enterprise IAM and 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