iac-security-review
Security review of Infrastructure-as-Code (Terraform, Kubernetes, CloudFormation). Use when reviewing IaC files for misconfigurations, overpermissioning, exposed resources, missing encryption, secrets in code, and supply chain risks. Covers CIS benchmarks and cloud security best practices.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/owasp/secure-agent-playbook --skill iac-security-review- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads iac-security-review automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
IaC Security Review
Review infrastructure-as-code for security risks by following the full procedure in plays/iac-security-review.md.
Steps
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Detect IaC Type — Identify the infrastructure technology from file extensions and content:
.tf/.tofufiles → Terraform/OpenTofu (referencedata/secure-code-prompts/terraform.md)- Kubernetes manifests (apiVersion, kind: Deployment/Pod/Service) → Kubernetes (reference
data/secure-code-prompts/kubernetes.md) - CloudFormation templates (AWSTemplateFormatVersion, Resources with AWS::) → CloudFormation (reference
data/secure-code-prompts/cloudformation.md) - Helm charts (
Chart.yaml, templates/) → Kubernetes review with Helm-specific checks
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Systematic Review by Security Domain (priority order):
- Identity & Access Management — Overly permissive policies, wildcard permissions, hardcoded credentials, privilege escalation paths
- Secrets Management — Hardcoded secrets, plaintext credentials, missing vault/secret manager integration
- Network Security — Open ingress (
0.0.0.0/0), unrestricted ports, missing segmentation, public exposure - Encryption — Missing encryption at rest/in transit, weak algorithms, default keys
- Storage Security — Public buckets, unencrypted volumes, missing versioning
- Logging & Monitoring — Missing audit trails, disabled CloudTrail/audit logging
- Resource Exposure — Databases, admin interfaces, APIs exposed to internet
- Supply Chain — Unpinned versions, untrusted sources, unverified modules/images
- Platform-Specific Risks — Terraform state exposure, K8s privileged containers, CFN nested stack integrity
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Check Against Benchmarks — Validate configurations against:
- CIS Benchmarks (AWS/Azure/GCP/Kubernetes)
- Cloud provider security best practices
- Pod Security Standards (for Kubernetes)
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Produce Findings — For each finding: cite resource path, explain the misconfiguration, describe attack scenario, provide fixed code example, rate severity.
Output
Findings sorted by severity using templates/finding.md format, summary with severity counts, and secure configuration improvements section.
References
- CIS Benchmarks (AWS, Azure, GCP, Kubernetes)
- OWASP Infrastructure Security Cheat Sheet
- NSA/CISA Kubernetes Hardening Guide
- Cloud provider Well-Architected Frameworks
FAQ
What does the iac-security-review skill do?
Security review of Infrastructure-as-Code (Terraform, Kubernetes, CloudFormation). Use when reviewing IaC files for misconfigurations, overpermissioning, exposed resources, missing encryption, secrets in code, and supply chain risks. Covers CIS benchmarks and cloud security best practices.
How do I install iac-security-review?
Run npx skills add https://github.com/owasp/secure-agent-playbook --skill iac-security-review in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/iac-security-review/ (personal) or .claude/skills/iac-security-review/ (project).
Which AI agents can use iac-security-review?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is iac-security-review safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains iac-security-review?
It is published by owasp in owasp/secure-agent-playbook. It has 159 recorded installs.
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