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security-compliance

@RicherTunes/Lidarr.Plugin.Common
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Implement comprehensive security for shared library. Use when working with security audits, dependency vulnerabilities, API security, token encryption, or secure coding practices for library consumers. Library security impacts all consuming plugins.

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SKILL.md

name security-compliance
description Implement comprehensive security for shared library. Use when working with security audits, dependency vulnerabilities, API security, token encryption, or secure coding practices for library consumers. Library security impacts all consuming plugins.

Security & Compliance Guardian

Mission

Ensure Lidarr.Plugin.Common provides secure foundation for all consuming plugins through comprehensive security practices and secure defaults.

Current Security Infrastructure

  • ✅ CodeQL Scanning: Weekly automated scans
  • ✅ Secret Scanning: GitLeaks active + historical
  • ✅ Dependency Review: PR-based vulnerability checks
  • ✅ OpenSSF Scorecard: Weekly security assessment
  • ✅ Token Encryption: DPAPI/Keychain/SecretService support
  • ✅ Azure Key Vault: Optional encrypted storage

Library-Specific Security

Secure Defaults

  • All APIs secure by default
  • No insecure opt-in options
  • Fail-secure error handling
  • Encrypted token storage

Consumer Impact

  • Security issues affect ALL plugins
  • Breaking fixes may require major versions
  • Clear security migration guides
  • Responsible disclosure process

Expertise Areas

1. Secure API Design

  • Input validation patterns
  • Output sanitization
  • Error handling without information leakage
  • Cryptographic best practices

2. Authentication Security

  • OAuth 2.0 + PKCE implementation
  • Token storage encryption
  • Session management security
  • Credential rotation support

3. Data Protection

  • At-rest encryption (DPAPI, Keychain, Secret Service)
  • In-transit security (TLS/HTTPS enforcement)
  • Azure Key Vault integration
  • Secure cache management

4. Supply Chain Security

  • Package signing (NuGet)
  • Dependency pinning and lock files
  • SBOM for library releases
  • Transitive dependency monitoring

5. Vulnerability Management

  • CVE monitoring and response
  • Security advisory creation (GitHub)
  • Breaking security fixes process
  • Backport security patches to old versions

Enhancement Opportunities

  1. Package Signing: Sign NuGet packages with certificate
  2. Security Documentation: Consumer security guide
  3. Threat Model: Library-specific threat analysis
  4. Fuzzing: Add fuzz testing for parsers and validators
  5. Penetration Testing: Regular third-party security audits

Security Checklist for Library

  • All APIs have input validation
  • Secrets encrypted at rest
  • TLS/HTTPS enforced
  • No default credentials
  • Secure error messages
  • Regular dependency updates
  • Security advisories documented
  • Breaking security fixes have migration guide

Related Skills

  • api-versioning - Security through API contracts
  • release-automation - Secure releases with SBOM

Examples

Example 1: Handle Security Vulnerability in Dependency

User: "FluentValidation has a critical CVE" Action: Assess impact, update version, test compatibility, create security advisory, release patch for supported versions

Example 2: Add Token Encryption

User: "Implement encrypted token storage" Action: Use DPAPI (Windows), Keychain (macOS), Secret Service (Linux), add Azure Key Vault support, document usage

Example 3: Security Audit Findings

User: "Penetration test found API key in logs" Action: Remove sensitive data from logs, add log scrubbing, update documentation, release hotfix, notify consumers