Software Bill of Materials (SBOM) security analysis for vulnerability assessment and third-party risk management. Validates SBOMs from vendors or generates SBOMs for internal projects. Use this skill when: - User asks to analyze an SBOM file - User mentions "third-party risk" or "vendor security" - User needs to validate a supplier's SBOM - User wants to check SBOM for vulnerabilities - User asks about CycloneDX or SPDX formats