# implementing-passwordless-authentication-with-fido2

> Deploy FIDO2/WebAuthn passwordless authentication using security keys and platform authenticators, covering WebAuthn API integration, FIDO2 server configuration, passkey enrollment, biometric authentication, and migration from password-based systems aligned with NIST SP 800-63B AAL3.

- Skill: `mukul975/implementing-passwordless-authentication-with-fido2` (Agent Skill, multi-file: 6 files)
- Install (CLI): `npx skillmds add mukul975/implementing-passwordless-authentication-with-fido2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/mukul975/implementing-passwordless-authentication-with-fido2/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security, DevOps & Infra, Compliance & Privacy, Secure Coding
- Tags: Biometric Authentication, Fido2, Iam, Nist Sp 800 63b, Passkey, Passwordless Authentication, Security Keys, Webauthn
- License: Apache-2.0
- Author: mukul975 (https://skillmd.com/u/mukul975)
- Updated: 2026-07-06
- Page: https://skillmd.com/skills/mukul975/implementing-passwordless-authentication-with-fido2

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# Implementing Passwordless Authentication with FIDO2

## Overview
Deploy FIDO2/WebAuthn 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.


## When to Use

- When deploying or configuring implementing passwordless authentication with fido2 capabilities in your environment
- When establishing security controls aligned to compliance requirements
- When building or improving security architecture for this domain
- When conducting security assessments that require this implementation

## Prerequisites

- Familiarity with identity access management concepts and tools
- Access to a test or lab environment for safe execution
- Python 3.8+ with required dependencies installed
- Appropriate authorization for any testing activities

## Objectives
- Implement comprehensive implementing passwordless authentication with fido2 capability
- Establish automated discovery and monitoring processes
- Integrate with enterprise IAM and security tools
- Generate compliance-ready documentation and reports
- Align with NIST 800-53 access control requirements

## Security Controls
| Control | NIST 800-53 | Description |
|---------|-------------|-------------|
| Account Management | AC-2 | Lifecycle management |
| Access Enforcement | AC-3 | Policy-based access control |
| Least Privilege | AC-6 | Minimum necessary permissions |
| Audit Logging | AU-3 | Authentication and access events |
| Identification | IA-2 | User and service identification |

## Verification
- [ ] Implementation tested in non-production environment
- [ ] Security policies configured and enforced
- [ ] Audit logging enabled and forwarding to SIEM
- [ ] Documentation and runbooks complete
- [ ] Compliance evidence generated