scanning-docker-images-with-trivy

# Scanning Docker Images with Trivy ## Overview Trivy is a comprehensive open-source vulnerability scanner by Aqua Security that detects vulnerabilities in OS packages, language-specific dependencies, misconfigurations, secrets, and license violations within container images. It integrates into CI/CD pipelines and supports multiple output formats including SARIF, CycloneDX, and SPDX. ## When to Use - When conducting security assessments that involve scanning docker images with trivy - When following incident response procedures for related security events - When performing scheduled security testing or auditing activities - When validating security controls through hands-on testing ## Prerequisites - Docker Engine 20.10+ - Trivy v0.50+ installed - Internet access for vulnerability database updates - Container registry credentials (for private registries) ## Core Concepts ### Scanner Types | Scanner | Flag | Detects | |---------|------|---------| | Vulnerability | `--scanners vuln` | CVEs in OS packages and libraries | | Misconfiguration | `--scanners misconfig` | Dockerfile/K8s manifest misconfigs | | Secret | `--scanners secret` | Hardcoded passwords, API keys, tokens | | License | `--scanners license` | Software license compliance issues | ### Severity Levels - **CRITICAL**: CVSS 9.0-10.0 - Immediate action required - **HIGH**: CVSS 7.0-8.9 - Fix before production deployment - **MEDIUM**: CVSS 4.0-6.9 - Plan remediation - **LOW**: CVSS 0.1-3.9 - Accept or fix op...