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