Best IaC Security Scanners in 2026

Kubescape

Kubescape suits teams managing Kubernetes clusters that want configuration, image, compliance, and runtime security checks.

Fairwinds Polaris

Polaris suits Kubernetes teams seeking to validate configuration practices and address supported problems automatically.

kube-score suits teams reviewing Kubernetes definitions for security and resilience concerns, especially those using Helm, Kustomize, or CI/CD.

Pulumi

Pulumi suits engineers defining infrastructure in general-purpose languages across supported cloud providers.

Trivy

It suits teams or developers scanning repositories, artifacts, container images, or Kubernetes environments for security issues.

cfn-nag suits teams reviewing CloudFormation security on Linux, macOS, or self-hosted systems.

Checkov suits developers and teams scanning infrastructure-as-code for configuration risks, credentials, or compliance checks.

It suits teams reviewing Kubernetes manifests for security and production practices, including automated workflows.

TFLint suits Terraform users who want local checks for language issues, cloud-specific configuration errors, or naming and best-practice rules.

terraform-compliance suits developers and security teams who need readable Terraform policy checks before deployment.