Container Registry Security

Container Registry Security

Secure container registries provide critical control points for container security. Private registries enable access control, vulnerability scanning, and image signing enforcement. Registry security features like content trust and vulnerability scanning create quality gates that prevent vulnerable images from reaching production.

Image signing and verification ensure container integrity throughout the pipeline. Digital signatures created during build processes can be verified before deployment, preventing tampering or unauthorized modifications. Notary/TUF implementations provide frameworks for managing signing keys and verification policies.

Registry vulnerability scanning continuously monitors stored images for newly discovered vulnerabilities. As new CVEs are published, registries rescan existing images and alert teams about emerging risks. This continuous monitoring catches vulnerabilities that didn't exist when images were initially built, enabling proactive remediation.