IaC Scanner

iac-scanner

Scans Infrastructure as Code for security misconfigurations. Wraps tfsec for Terraform and Checkov for multi-cloud IaC. Use when user asks to "scan Terraform", "IaC security", "infrastructure scan", "tfsec", "checkov", "Terraformセキュリティ", "インフラスキャン".

majiayu000/claude-skill-registry·0installs663starsDevOps & CI/CD

SKILL.md

Full skill instructions

IaC Scanner

Wrapper for tfsec and Checkov to scan Infrastructure as Code.

Prerequisites

# tfsec (Terraform focused)
brew install tfsec
# or
go install github.com/aquasecurity/tfsec/cmd/tfsec@latest

# Checkov (multi-cloud)
pip install checkov
# or
brew install checkov

Usage

# Scan with auto-detection
npx iac-scanner .

# Force specific scanner
npx iac-scanner . --scanner tfsec
npx iac-scanner . --scanner checkov

# JSON output
npx iac-scanner . --json

# Check available scanners
npx iac-scanner --check

# Scan specific framework
npx iac-scanner . --framework terraform
npx iac-scanner . --framework kubernetes
npx iac-scanner . --framework cloudformation

Supported Frameworks

Scanner	Frameworks
tfsec	Terraform
Checkov	Terraform, CloudFormation, Kubernetes, ARM, Serverless, Helm

Output Format

{
  "tool": "tfsec",
  "scanPath": ".",
  "scanDate": "2024-01-15T10:30:00Z",
  "findings": [
    {
      "id": "aws-s3-enable-bucket-encryption",
      "severity": "high",
      "message": "Bucket does not have encryption enabled",
      "resource": "aws_s3_bucket.data",
      "file": "main.tf",
      "line": 15,
      "resolution": "Enable bucket encryption"
    }
  ],
  "summary": {
    "total": 5,
    "critical": 1,
    "high": 2,
    "medium": 1,
    "low": 1
  }
}

Common Misconfigurations

Category	Example
Encryption	S3 bucket without encryption
Access Control	Public S3 bucket, open security groups
Logging	Missing CloudTrail, no access logs
Network	VPC without flow logs, open CIDR
IAM	Overly permissive policies, wildcard actions
Secrets	Hardcoded credentials in config

Exit Codes

0: No issues found
1: Issues detected
2: Tool not installed or error

Install skill

Copy and run in your terminal

npx -y skills add https://github.com/majiayu000/claude-skill-registry --skill iac-scanner

View on GitHub

skills/data/iac-scanner/SKILL.md

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