We release patches for security vulnerabilities in the following versions:

We take the security of Advanced C# Concepts seriously. If you believe you have found a security vulnerability, please report it to us as described below.

Please do NOT report security vulnerabilities through public GitHub issues.

Instead, please report them via email to:

• Email: [email protected]
• Subject: [SECURITY] Brief description of the issue

You should receive a response within 48 hours. If for some reason you do not, please follow up via email to ensure we received your original message.

Please include the following information (as much as you can provide) to help us better understand the nature and scope of the possible issue:

• Type of issue (e.g., buffer overflow, SQL injection, cross-site scripting, etc.)
• Full paths of source file(s) related to the manifestation of the issue
• The location of the affected source code (tag/branch/commit or direct URL)
• Any special configuration required to reproduce the issue
• Step-by-step instructions to reproduce the issue
• Proof-of-concept or exploit code (if possible)
• Impact of the issue, including how an attacker might exploit the issue

• Acknowledgment: We will send you an acknowledgment within 48 hours.
• Communication: We will keep you informed of the progress towards a fix and full announcement.
• Credit: We will credit you in the security advisory (unless you prefer to remain anonymous).

1. Triage: We will assess the vulnerability and determine its severity.
2. Fix Development: We will develop a fix in a private repository.
3. Testing: The fix will be thoroughly tested.
4. Release: We will release a security patch.
5. Disclosure: We will publicly disclose the vulnerability after the patch is released.

When using this project:

1. Keep Dependencies Updated: Regularly update to the latest version.
2. Code Review: Review any code before running in production.
3. Input Validation: Always validate user input in your applications.
4. Principle of Least Privilege: Run applications with minimal required permissions.

• Benchmarks should only be run in trusted environments.
• Benchmark data may consume significant system resources.

• Ensure proper synchronization when using parallel processing examples in production.
• Be aware of thread safety implications.

• Span<T> examples use stack allocation - ensure adequate stack size.
• ArrayPool<T> buffers must be returned to avoid memory leaks.

We use comprehensive security tooling to maintain code security:

• Dependabot: Automated dependency vulnerability alerts and updates (NuGet, GitHub Actions, Docker)
• CodeQL: Advanced semantic code analysis for security vulnerabilities
• Snyk: Open source vulnerability scanning and license compliance
• OWASP Dependency-Check: CVE database scanning for known vulnerabilities
• Gitleaks: Secret and credential detection in code and git history
• Trivy: Container image vulnerability scanning
• OpenSSF Scorecard: Security health metrics

• 6 Static Analyzers: StyleCop, Roslynator, SonarAnalyzer, Meziantou, Microsoft.CodeAnalysis.NetAnalyzers, SecurityCodeScan
• dotnet format: Code style and quality enforcement
• Pre-commit hooks: Automated security checks before commits
• Mutation Testing: Stryker.NET for test quality assurance

• 119 Unit Tests: Comprehensive test coverage
• 8 Integration Tests: System-level testing
• Property-Based Testing: FsCheck for edge case discovery
• Code Coverage: Coverlet with ReportGenerator
• Performance Benchmarks: BenchmarkDotNet for regression detection

• Docker Security: Multi-stage builds, non-root user, minimal attack surface
• Kubernetes: Security contexts, resource limits, health checks
• SBOM Generation: Software Bill of Materials for transparency
• License Compliance: Automated license checking

Our CI/CD pipeline includes automated security checks on every commit:

• ✅ Build & compile with security analyzers
• ✅ Run all tests (unit, integration, mutation)
• ✅ Code coverage analysis
• ✅ Static code analysis (6 analyzers)
• ✅ Dependency vulnerability scanning

• ✅ Snyk vulnerability scanning
• ✅ OWASP Dependency-Check
• ✅ Secret scanning with Gitleaks
• ✅ Container image scanning with Trivy
• ✅ License compliance checking

• ✅ CodeQL semantic analysis
• ✅ Dependabot dependency updates
• ✅ OpenSSF Scorecard health check

• User Secrets: Use dotnet user-secrets for local development
• Environment Variables: Never commit .env files
• appsettings.Development.json: Excluded from git

• Azure Key Vault: Recommended for cloud deployments
• AWS Secrets Manager: Alternative cloud solution
• Kubernetes Secrets: For K8s deployments
• GitHub Secrets: For CI/CD workflows

• Pre-commit hooks: Gitleaks prevents secret commits
• GitHub Secret Scanning: Automatic detection and alerts
• Security workflow: Daily scans for exposed secrets

This project adheres to industry security standards and best practices:

• OWASP Top 10: Protection against common web vulnerabilities
• CWE Top 25: Mitigation of most dangerous software weaknesses
• NIST Guidelines: Following cybersecurity framework recommendations
• OpenSSF Best Practices: Open Source Security Foundation guidelines

• GDPR Compliance: No personal data collection or storage
• Privacy by Design: Security and privacy built-in from the start
• Transparency: Open source code for full auditability

• MIT License: Permissive open source license
• Dependency Scanning: All dependencies checked for license compatibility
• SBOM Available: Full Software Bill of Materials generated

• Git History: Complete commit history preserved
• Security Advisories: Published through GitHub Security Advisories
• Vulnerability Disclosure: Transparent reporting of security issues

For security-related inquiries:

• Security Email: [email protected]
• GitHub Security: Use GitHub's private vulnerability reporting
• Response Time: 48 hours acknowledgment, 7 days for assessment

Currently, we do not have a formal bug bounty program. However, we greatly appreciate responsible disclosure of security vulnerabilities and will publicly acknowledge security researchers who help improve our security (with their permission).

This security policy may be updated from time to time. Please check back regularly for updates.

Last Updated: 2025-11-30 Version: 2.0 (Phase 7 - Security & Compliance) Next Review: 2025-12-30