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https://github.com/BagelHole/DevOps-Security-Agent-Skills.git
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58 lines
1.8 KiB
Markdown
58 lines
1.8 KiB
Markdown
---
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name: sbom-supply-chain
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description: Generate, sign, and verify SBOMs and provenance attestations to secure the software supply chain. Use when implementing SLSA controls, artifact trust policies, or compliance evidence for releases.
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license: MIT
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metadata:
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author: devops-skills
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version: "1.0"
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---
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# SBOM & Supply Chain Security
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Improve release trust with reproducible metadata and verification gates.
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## When to Use This Skill
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Use this skill when:
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- Producing SBOMs for container images or application builds
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- Verifying dependencies before deploy
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- Enforcing signed artifact and provenance policies
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- Preparing for SOC2, ISO 27001, or customer security reviews
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## Recommended Tooling
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- SBOM generation: Syft, CycloneDX tools
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- Vulnerability matching: Grype, Trivy
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- Signing and attestations: Cosign, Sigstore
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- Policy enforcement: OPA, Kyverno, admission controllers
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## Baseline Workflow
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1. Generate SBOM in SPDX or CycloneDX format during CI builds.
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2. Create provenance attestations for build steps and source commit.
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3. Sign image digests and SBOM artifacts with keyless or managed keys.
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4. Verify signatures and attestations before deployment.
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5. Archive evidence for audits and incident response.
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## Example Commands
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```bash
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# Generate SBOM for an image
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syft registry:ghcr.io/acme/api:1.2.3 -o cyclonedx-json > sbom.json
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# Sign container image digest
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cosign sign ghcr.io/acme/api@sha256:abc123...
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# Attach SBOM attestation
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cosign attest --predicate sbom.json --type cyclonedx ghcr.io/acme/api@sha256:abc123...
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# Verify signatures
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cosign verify ghcr.io/acme/api@sha256:abc123...
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```
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## Related Skills
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- [dependency-scanning](../dependency-scanning/) - Library vulnerability triage
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- [container-scanning](../container-scanning/) - Container CVE scanning
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- [policy-as-code](../../../compliance/governance/policy-as-code/) - Policy enforcement
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