18.2
Kubescape is an open-source Kubernetes security platform for coverage across configuration, vulnerabilities, compliance, and runtime activity.
Free planOpen sourceAPILinuxmacOS
Best IaC Security Scanners in 2026
Kubescape leads this chart of 16 (8.2/10, free plan). DeepSource is next (8.0/10, free plan), and Pulumi is the next highest-placed with a free plan (7.4/10). IaC security scanners help review infrastructure-as-code against security and configuration rules. Compare framework coverage, custom policies, CI or pull-request integration, fix suggestions and drift detection. Check pricing, licence terms and platform support before choosing. The platform notes cover Linux, macOS, Windows, self-hosted, web and API use; if you need an Android phone or tablet, confirm an Android…
28.0
DeepSource is an AI code review platform for teams writing code with AI.
Free planWebAPILinux
37.4
Pulumi helps engineers define and manage infrastructure with Infrastructure as Code using general-purpose languages.
Free planWebAPILinux
- 4
Fairwinds Polaris
Fairwinds Polaris is an open source policy engine that validates and can remediate Kubernetes resource configuration.
Free planWebLinuxmacOSSelf-hosted7.1Free plan - 5
kube-score
kube-score statically analyzes Kubernetes object definitions and recommends changes intended to improve application security and resilience.
Free planWebLinuxmacOSSelf-hosted7.0Free plan - 6
Trivy
Trivy is a free, Apache-2.0-licensed scanner for code repositories, binary artifacts, container images, and Kubernetes clusters.
Free planLinuxmacOSSelf-hostedWindows7.0Free plan - 7
Checkov
Checkov is a free infrastructure-as-code scanner that identifies misconfigurations that may create security or compliance problems.
Free planLinuxmacOS6.2Free plan - 8
KubeLinter
KubeLinter is a free, open-source tool for statically checking Kubernetes YAML files, Helm charts and Kustomize manifests for production-readiness and security practices.
Free planLinuxmacOSSelf-hosted6.2Free plan - 9
TFLint
TFLint is a free, pluggable command-line linter for Terraform that checks configurations for possible errors and rule violations.
Free planLinuxmacOSSelf-hostedWindows6.2Free plan - 10
cfn-nag
cfn-nag is a free static analysis tool that scans CloudFormation templates for patterns that may indicate insecure infrastructure.
Free planLinuxmacOSSelf-hosted6.1Free plan - 11
terraform-compliance
terraform-compliance is a free, open-source framework for testing Terraform infrastructure code against security and compliance policies before deployment.
Free planLinuxSelf-hosted5.9Free plan - 12
AWS CloudFormation Guard
LinuxmacOSWindows4.8 - 134.8
- 14
Snyk IaC
Web4.8 - 15
AWS CDK Nag
LinuxmacOSWindows4.7 - 16
PSRule for Azure
LinuxmacOSWindows4.7
Choosing well
Compare free and paid plans
A free plan is available from products in this category. Check what the free plan includes before comparing paid tiers.
Published starting prices include $9 per month for Safeguard IaC Security, $24 per user per month on an annual plan for DeepSource, and $40 per month for Pulumi. DeepSource also lists a 14-day trial.
Match the platform to your workflow
Platform coverage across the category includes Linux, macOS, Windows, self-hosted deployments, web access and APIs.
Check frameworks and policy controls
Compare the IaC frameworks supported by the scanner you are considering. Custom-policy support matters when built-in rules do not match your standards.
Review how the product presents findings and whether it offers fix suggestions alongside policy checks.
Look at CI, drift and code access
CI and pull-request integration can place checks in a development workflow. Drift detection helps compare deployed infrastructure with its declared configuration.
If you need to inspect or change the scanner's code, check its licence and whether an open-source option is offered.
Questions people ask
What does an IaC security scanner check?
It evaluates infrastructure-as-code against security or configuration rules. Compare framework coverage, custom policies, fix suggestions and drift detection.
Can I start with a free plan?
Yes. A free plan is offered by products in this category. DeepSource, Pulumi and Safeguard IaC Security also publish paid starting prices.
Is there a free trial?
DeepSource lists a 14-day trial. Check the pricing details for the product you are considering.
Can these tools run on Android?
The listed platform facts cover Linux, macOS, Windows, self-hosted, web and API use. Confirm Android support before choosing a tool for a phone or tablet.
Are open-source scanners available?
Yes. Open-source options are offered in this category, including AWS CloudFormation Guard, KubeLinter and kube-score.