# Complete Security System (v4.0.0)\n\n## 🔐 Enterprise-Grade Security Implementation\n\nA comprehensive security system with 39,699 lines across 12 components providing enterprise-grade protection for infrastructure automation.\n\n## Core Security Components\n\n### 1. **Authentication** (JWT)\n\n- **Type**: RS256 token-based authentication\n- **Features**: Argon2id hashing, token rotation, session management\n- **Roles**: 5 distinct role levels with inheritance\n- **Commands**:\n\n  ```bash\n  provisioning login\n  provisioning mfa totp verify\n  ```\n\n### 2. **Authorization** (Cedar)\n\n- **Type**: Policy-as-code using Cedar authorization engine\n- **Features**: Context-aware policies, hot reload, fine-grained control\n- **Updates**: Dynamic policy reloading without service restart\n\n### 3. **Multi-Factor Authentication** (MFA)\n\n- **Methods**: TOTP (Time-based OTP) + WebAuthn/FIDO2\n- **Features**: Backup codes, rate limiting, device binding\n- **Commands**:\n\n  ```bash\n  provisioning mfa totp enroll\n  provisioning mfa webauthn enroll\n  ```\n\n### 4. **Secrets Management**\n\n- **Dynamic Secrets**: AWS STS, SSH keys, UpCloud credentials\n- **KMS Integration**: Vault + AWS KMS + Age + Cosmian\n- **Features**: Auto-cleanup, TTL management, rotation policies\n- **Commands**:\n\n  ```bash\n  provisioning secrets generate aws --ttl 1hr\n  provisioning ssh connect server01\n  ```\n\n### 5. **Key Management System** (KMS)\n\n- **Backends**: RustyVault, Age, AWS KMS, HashiCorp Vault, Cosmian\n- **Features**: Envelope encryption, key rotation, secure storage\n- **Commands**:\n\n  ```bash\n  provisioning kms encrypt\n  provisioning config encrypt secure.yaml\n  ```\n\n### 6. **Audit Logging**\n\n- **Format**: Structured JSON logs with full context\n- **Compliance**: GDPR-compliant with PII filtering\n- **Retention**: 7-year data retention policy\n- **Exports**: 5 export formats (JSON, CSV, SYSLOG, Splunk, CloudWatch)\n\n### 7. **Break-Glass Emergency Access**\n\n- **Approval**: Multi-party approval workflow\n- **Features**: Temporary elevated privileges, auto-revocation, audit trail\n- **Commands**:\n\n  ```bash\n  provisioning break-glass request "reason"\n  provisioning break-glass approve <id>\n  ```\n\n### 8. **Compliance Management**\n\n- **Standards**: GDPR, SOC2, ISO 27001, incident response procedures\n- **Features**: Compliance reporting, audit trails, policy enforcement\n- **Commands**:\n\n  ```bash\n  provisioning compliance report\n  provisioning compliance gdpr export <user>\n  ```\n\n### 9. **Audit Query System**\n\n- **Filtering**: By user, action, time range, resource\n- **Features**: Structured query language, real-time search\n- **Commands**:\n\n  ```bash\n  provisioning audit query --user alice --action deploy --from 24h\n  ```\n\n### 10. **Token Management**\n\n- **Features**: Rotation policies, expiration tracking, revocation\n- **Integration**: Seamless with auth system\n\n### 11. **Access Control**\n\n- **Model**: Role-based access control (RBAC)\n- **Features**: Resource-level permissions, delegation, audit\n\n### 12. **Encryption**\n\n- **Standards**: AES-256, TLS 1.3, envelope encryption\n- **Coverage**: At-rest and in-transit encryption\n\n## Performance Characteristics\n\n- **Overhead**: <20 ms per secure operation\n- **Tests**: 350+ comprehensive test cases\n- **Endpoints**: 83+ REST API endpoints\n- **CLI Commands**: 111+ security-related commands\n\n## Quick Reference\n\n| Component | Command | Purpose |\n| ----------- | --------- | --------- |\n| Login | `provisioning login` | User authentication |\n| MFA TOTP | `provisioning mfa totp enroll` | Setup time-based MFA |\n| MFA WebAuthn | `provisioning mfa webauthn enroll` | Setup hardware security key |\n| Secrets | `provisioning secrets generate aws --ttl 1hr` | Generate temporary credentials |\n| SSH | `provisioning ssh connect server01` | Secure SSH session |\n| KMS Encrypt | `provisioning kms encrypt <file>` | Encrypt configuration |\n| Break-Glass | `provisioning break-glass request "reason"` | Request emergency access |\n| Compliance | `provisioning compliance report` | Generate compliance report |\n| GDPR Export | `provisioning compliance gdpr export <user>` | Export user data |\n| Audit | `provisioning audit query --user alice --action deploy --from 24h` | Search audit logs |\n\n## Architecture\n\nSecurity system is integrated throughout provisioning platform:\n\n- **Embedded**: All authentication/authorization checks\n- **Non-blocking**: <20 ms overhead on operations\n- **Graceful degradation**: Fallback mechanisms for partial failures\n- **Hot reload**: Policies update without service restart\n\n## Configuration\n\nSecurity policies and settings are defined in:\n\n- `provisioning/kcl/security.k` - KCL security schema definitions\n- `provisioning/config/security/*.toml` - Security policy configurations\n- Environment-specific overrides in `workspace/config/`\n\n## Documentation\n\n- Full implementation: [ADR-009: Security System Complete](../architecture/adr/adr-009-security-system-complete.md)\n- User guides: [Authentication Layer Guide](authentication-layer-guide.md)\n- Admin guides: [MFA Admin Setup Guide](../operations/mfa-admin-setup-guide.md)\n- Implementation details: Supplementary documentation in subdirectories\n\n## Help Commands\n\n```\n# Show security help\nprovisioning help security\n\n# Show specific security command help\nprovisioning login --help\nprovisioning mfa --help\nprovisioning secrets --help\n```
