# Education

URL: https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/software-security.md

## Pages

- [What are containers?](https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/software-security/what-are-containers.md): An overview of the structure, contents, and applications of container technology
- [Selecting a base container image](https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/software-security/selecting-a-base-image.md): How to choose more secure container base images: essential criteria including CVE count, SBOM availability, update frequency, and why Chainguard excels in each category
- [What is software supply chain security](https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/software-security/what-is-software-supply-chain-security.md): What is software supply chain security and why it matters: protect against attacks like SolarWinds with tools like Chainguard's SLSA-compliant containers and SBOMs
- [What is a build horizon?](https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/software-security/build-horizon.md): What a build horizon is and why enforcing maximum artifact age is a key practice for keeping software secure and up to date