Security Documentation
Comprehensive security documentation, threat models, audit reports, and hardening guides.
Last Updated: 2026-02-10
Security Status: Historical assessment snapshot (as of 2025-12-18)
🚨 Quick Links
- FINAL_SECURITY_STATUS.md - Production readiness assessment ⭐
- threat-model.md - Comprehensive threat analysis
- production-hardening.md - Hardening measures
- SECURITY_TESTING_GUIDE.md - Testing procedures
Overview
This directory contains all security-related documentation for ICN, including:
- Production security status and assessments
- Threat models and risk analysis
- Security audit reports and findings
- Hardening guides and best practices
- SDIS-specific security documentation
- Testing and validation procedures
📊 Production Security
Status Snapshot
| Document | Status | Description |
|---|---|---|
| FINAL_SECURITY_STATUS.md | ✅ Current | Production readiness assessment (2025-12-18) |
| COMPREHENSIVE_SECURITY_IMPROVEMENTS.md | ✅ Complete | Security overview and improvements |
| SECURITY_FIXES_2025-12-18.md | ✅ Applied | Detailed vulnerability fixes |
Deployment & Operations
| Document | Description |
|---|---|
| production-hardening.md | Production hardening measures (67KB) |
| SECURITY_TESTING_GUIDE.md | Testing procedures and validation |
| SECRET_MANAGEMENT.md | Secret management best practices |
| GATEWAY_CSP.md | Content Security Policy configuration |
🔍 Threat Models & Audits
Comprehensive Analyses
| Document | Scope | Size |
|---|---|---|
| threat-model.md | Complete system threat model | 43KB |
| security-roadmap.md | Security roadmap and priorities | 68KB |
| TOFU_SECURITY_MODEL.md | Trust-On-First-Use model analysis | 6KB |
Audit Reports
| Document | Date | Description |
|---|---|---|
| SECURITY_AUDIT_REPORT.md | 2025-12-18 | Primary audit report |
| SECURITY_AUDIT_RESULTS.md | 2025-12-18 | Detailed audit results |
| SECURITY_ANALYSIS_REMAINING_ISSUES.md | 2025-12-18 | Outstanding issues tracking |
| SECURITY_FOLLOWUP.md | Various | Follow-up actions |
| phase-10c-security-analysis.md | Phase 10c | Phase-specific analysis |
🆔 SDIS Security
Sovereign Digital Identity System security documentation:
| Document | Description |
|---|---|
| SDIS_THREAT_MODEL.md | SDIS-specific threat model (11KB) |
| SDIS_CRYPTO_REVIEW.md | Cryptographic review (11KB) |
| SDIS_AUDIT_CHECKLIST.md | SDIS audit checklist (9KB) |
See also: ../sdis/ for complete SDIS documentation
📚 Educational Resources
| Document | Audience | Description |
|---|---|---|
| EDUCATIONAL_GUIDE_SECURITY_FIXES.md | All | Learning resource for security fixes (15KB) |
| SECURITY_TESTING_GUIDE.md | Developers/QA | Testing procedures (10KB) |
🎯 Quick Access by Role
For Security Engineers
- FINAL_SECURITY_STATUS.md - Start here
- threat-model.md - Understand threats
- SECURITY_AUDIT_REPORT.md - Review findings
- security-roadmap.md - Future work
For DevOps/Operators
- production-hardening.md - Hardening checklist
- SECRET_MANAGEMENT.md - Secret handling
- GATEWAY_CSP.md - Gateway security
- SECURITY_TESTING_GUIDE.md - Validation
For Developers
- EDUCATIONAL_GUIDE_SECURITY_FIXES.md - Learn patterns
- SECURITY_TESTING_GUIDE.md - Test your code
- threat-model.md - Understand attack surface
- TOFU_SECURITY_MODEL.md - Trust model
For Auditors/Compliance
- SECURITY_AUDIT_REPORT.md - Audit findings
- SECURITY_AUDIT_RESULTS.md - Detailed results
- COMPREHENSIVE_SECURITY_IMPROVEMENTS.md - Improvements made
- security-roadmap.md - Future plans
🔐 Security Domains
Network Security
- DID-TLS binding (production-hardening.md)
- Certificate validation
- QUIC transport security
- mDNS security considerations
Cryptography
- Ed25519 signatures
- X25519-ChaCha20-Poly1305 encryption
- Post-quantum hybrid crypto (see ../design/post-quantum-crypto.md)
- SDIS cryptography (SDIS_CRYPTO_REVIEW.md)
Application Security
- Input validation
- Injection prevention
- Rate limiting and DoS protection
- Content Security Policy (GATEWAY_CSP.md)
Identity & Access
- DID-based authentication
- Trust graph authorization
- Multi-device identity (see ../design/multi-device-identity-design.md)
- SDIS identity (SDIS_THREAT_MODEL.md)
Operational Security
- Secret management (SECRET_MANAGEMENT.md)
- Backup and recovery
- Incident response
- Security monitoring
📈 Security Metrics
Key security metrics tracked:
- Vulnerability remediation time
- Test coverage for security-critical paths
- Cryptographic strength margins
- Trust verification success rates
- Rate limiting effectiveness
See SECURITY_TESTING_GUIDE.md for monitoring procedures.
🚀 Security Roadmap
Current security work is documented in:
- security-roadmap.md - Long-term roadmap
- SECURITY_ANALYSIS_REMAINING_ISSUES.md - Outstanding issues
- SECURITY_FOLLOWUP.md - Follow-up actions
Recent Milestones
- ✅ 2025-12-18: Production hardening complete
- ✅ 2025-12-18: Security audit resolution
- ✅ 2025-12-17: Architecture security review
Upcoming Work
See security-roadmap.md for detailed future plans.
🔗 Related Documentation
- Architecture: ../architecture/ - System architecture
- SDIS: ../sdis/ - Identity system documentation
- Operations: ../guides/operations/ - Operational guides
- Design: ../design/ - Security-related designs
📝 Contributing to Security
When adding security documentation:
- Threat Models: Use STRIDE or similar frameworks
- Findings: Include severity, impact, and remediation
- Cross-references: Link to related security docs
- Updates: Keep FINAL_SECURITY_STATUS.md current
- Sensitive Data: Never commit secrets or keys
See ../CONTRIBUTING.md for general guidelines.
⚠️ Reporting Security Issues
DO NOT file public issues for security vulnerabilities.
Follow responsible disclosure:
- Email security contact (see main README)
- Encrypt with project PGP key if available
- Include detailed reproduction steps
- Allow reasonable time for patching
📞 Questions?
- Security questions: Review EDUCATIONAL_GUIDE_SECURITY_FIXES.md
- Operational security: Check production-hardening.md
- Testing: See SECURITY_TESTING_GUIDE.md
- Status: Review FINAL_SECURITY_STATUS.md
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