feat: add additional security enhancements (Issue #365)

- Add constant-time token comparison utility (crypto/subtle)
- Add SBOM generation and attestation to CI/CD pipeline
- Document TLS enforcement, DNS security (DoH/DoT), and container hardening
- Create Security Incident Response Plan (SIRP)
- Add security update notification documentation

Security enhancements:
- Mitigates timing attacks on invite token validation
- Provides supply chain transparency with CycloneDX SBOM
- Documents production container hardening (read_only, cap_drop)

Closes #365
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2025-12-21 19:00:29 +00:00
parent 84a8c1ff11
commit 2dfe7ee241
12 changed files with 1046 additions and 290 deletions
+5
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@@ -165,6 +165,11 @@ coverage.out
*.crdownload
*.sarif
# -----------------------------------------------------------------------------
# SBOM artifacts
# -----------------------------------------------------------------------------
sbom*.json
# -----------------------------------------------------------------------------
# CodeQL & Security Scanning (large, not needed)
# -----------------------------------------------------------------------------