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Vulnerability Scanning for Container Images
6.1🔒Why Container Scanning Is Non-NegotiableContainer images accumulate vulnerabilities through three vectors: base images ship with OS-level CVEs, installed packages introduce…
6.2🔒Trivy: The Swiss Army KnifeTrivy (by Aqua Security) is the most versatile open-source scanner. It handles images, filesystems, Git repositories, and Kubernetes…
6.3🔒Grype: Anchore's Vulnerability ScannerGrype pairs well with Syft (Anchore's SBOM generator):
6.4🔒Snyk Container: Fix RecommendationsSnyk differentiates itself by providing fix recommendations:
6.5🔒Registry Scanning: Continuous ProtectionBuild-time scanning is necessary but not sufficient. New CVEs are disclosed daily.
6.6🔒Building a Complete Scanning Pipeline
6.7🔒Exercises: Chapter 61. [Beginner] Scan a popular Docker image (e.g., node:24, python:3.12) with Trivy. Count the vulnerabilities by severity. 2. [Beginner]…
6.8🔒Key Takeaways- Container scanning must happen at build time, not after deployment - Three vectors to scan: OS packages, language dependencies, and…
6.9🔒Career Translation- Established container vulnerability scanning pipeline using Trivy and Grype, blocking deployment of images with CRITICAL CVEs and…
6.10🔒Q&AInterview Depth CheckPrompt: You scan a container image and find 45 HIGH and 3 CRITICAL vulnerabilities. How do you triage and address them?