Free and open first
Best Infrastructure as Code Security Software in 2026
Infrastructure as code security software helps you review infrastructure definitions for security concerns before and as they are used. Compare Terraform, CloudFormation, and Kubernetes analysis to see which technologies are covered, then weigh custom policies, secrets detection, IDE integration, and pull request scanning as workflow considerations. Free-plan availability and paid-from pricing add cost context. The entries include Snyk Open Source, AWS CloudFormation, and Checkov, alongside other options such as Trivy and Kubescape. Consider which infrastructure formats your work depends on and which checks you want incorporated into development; the listed criteria make it possible to compare coverage and workflow support without assuming every tool handles them in the same way.
- 22 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
CFRipper
Free plan Open source LinuxMacSelf-hosted+2CFRipper focuses on CloudFormation analysis, with configurable rules, custom plugins and text or JSON output. Its listed scope excludes Terraform and Kubernetes.
- 2
Kubescape
Free plan Open source APILinuxMac+2Choose Kubescape if you want a free, self-hosted Kubernetes security platform with configuration, image, compliance, and runtime coverage.
- 3
Kyverno
Free plan Open source APILinuxMac+3Kyverno combines in-cluster policy enforcement with CLI testing and several policy actions.
- 4
Aikido CSPM
Free plan APILinuxMac+3Aikido CSPM combines cloud risk visibility, scanning, compliance mapping, and guided remediation workflows.
- 5
AWS CloudFormation
Free plan APIiPhoneLinux+3CloudFormation brings template-based provisioning, change previews, and drift tracking to AWS resource management.
- 6
audytx
Free plan APIWebaudytx focuses on AWS infrastructure review, with Terraform and limited CloudFormation support. Check its platform limits and certification status alongside the scan allowances and plan prices.
- 7
cfn-nag
Free plan LinuxMacSelf-hostedChoose cfn-nag if your team needs a free, customizable scanner focused on CloudFormation security patterns, including use in GitHub Actions or AWS CodePipeline.
- 8
Fairwinds Polaris
Free plan LinuxMacSelf-hosted+2Choose Polaris if your Kubernetes team wants a free, open source way to validate resource configuration across dashboard, admission, and CI/CD workflows.
- 9
c7n-left
Free plan LinuxMacSelf-hosted+1Pick c7n-left for free Terraform policy evaluation in CI, with flexible Custodian filters and pull-request reporting.
- 10
Conftest
Free plan LinuxMacWindowsConftest provides policy-based configuration checks with a broad set of inputs and CI outputs.
- 11
Checkov
Free plan LinuxMacCheckov offers broad infrastructure-as-code scanning, policy customization, and CI and IDE integrations at no cost. Alpine users should note the project’s stated testing and Python requirements.
- 12
Gomboc AI Code Security Platform
Free plan APIExtensionWebGomboc focuses on IaC remediation through reviewable pull requests, with a free Community Edition and additional Enterprise capabilities.
- 13
KloudSec IaC Security
Free plan APILinuxMac+2KloudSec focuses on infrastructure-as-code review within GitHub pull requests, with resource-level analysis and configurable merge blocking.
- 14
KubeLinter
Free plan LinuxMacSelf-hostedKubeLinter offers configurable static checks for Kubernetes manifests, with output that can be used in automated workflows.
- 15
kube-score
Free plan LinuxMacSelf-hosted+2kube-score offers configurable static checks for Kubernetes resources, with browser, local, and CI/CD workflows.
- 16
Trivy
Free plan LinuxMacSelf-hosted+1Trivy combines several scanner types with broad installation and integration options, and it can generate SBOMs.
- 17
KICS
Free plan LinuxMacWindowsKICS combines infrastructure analysis with custom policies, secret detection, and pull request scanning.
- 18
DryRun Security IaC Security
Free trial APIWebChoose DryRun Security IaC Security if your team wants contextual IaC checks and customizable guardrails within pull requests.
- 19
Safeguard IaC Security
Free plan Web - 20
Snyk IaC
Free plan Web - 21
Winfunc Infrastructure Scanner
Paid APISelf-hostedWebWinfunc covers infrastructure code, cloud posture, container checks, and compliance reporting, with both hosted and self-hosted deployment options.
- 22
TigerGate IaC Security
Paid Web
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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