SCA tools inventory dependencies and match them against vulnerability databases like CVE and NVD.
Why SCA matters
- Modern applications use 80-90% open-source code.
- One vulnerable library affects all applications using it.
- Log4Shell (CVE-2021-44228) demonstrated supply chain risk.
- License compliance requirements in regulated industries.
What SCA analyzes
- Package manager manifests (package.json, requirements.txt, pom.xml).
- Lock files for exact version detection.
- Container images and base image layers.
- Binary artifacts and compiled dependencies.
Popular SCA tools
- Commercial: Snyk, Sonatype Nexus, Black Duck, Mend (WhiteSource).
- Open source: OWASP Dependency-Check, Trivy, Grype.
CI/CD integration
- Scan on every build.
- Block deployments with critical vulnerabilities.
- Auto-create pull requests for updates (Dependabot, Renovate).
- Generate SBOM (Software Bill of Materials).
Remediation strategies
- Upgrade: Update to patched version.
- Patch: Apply security patch if upgrade not possible.
- Mitigate: Implement compensating controls.
- Replace: Switch to alternative library.
- Accept: Document risk for low-impact findings.
Best practices
- Establish vulnerability SLAs (critical: 24h, high: 7d).
- Monitor for new CVEs in production dependencies.
- Audit transitive (indirect) dependencies.
- Maintain SBOM for incident response.
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View all termsContainer Image
A lightweight, standalone, executable package containing everything needed to run an application: code, runtime, libraries, and settings.
Read more →Container Registry
A repository for storing, managing, and distributing container images, providing version control and access management.
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Testing a running application from the outside to discover security vulnerabilities by simulating attacks.
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An infrastructure paradigm where servers are never modified after deployment; changes require replacing instances with new ones built from updated images.
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Managing and provisioning infrastructure through machine-readable configuration files rather than manual processes.
Read more →Policy as Code
Defining and enforcing security, compliance, and operational policies through code that can be versioned, tested, and automated.
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