iac-security-scanner

DevOps & Security

Infrastructure as Code security scanning and policy enforcement for Terraform, CloudFormation, Kubernetes, and Pulumi

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Source SKILL.md: https://github.com/a5c-ai/babysitter/blob/HEAD/library/specializations/security-compliance/skills/iac-security-scanner/SKILL.md

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IaC Security Scanner Skill

Purpose

Infrastructure as Code security scanning and policy enforcement to identify misconfigurations, security vulnerabilities, and compliance violations in cloud infrastructure definitions before deployment.

Capabilities

Terraform Security Scanning

Scan Terraform configurations for security misconfigurations
Check for exposed resources (public S3 buckets, open security groups)
Validate encryption settings for data at rest and in transit
Detect hardcoded secrets in Terraform files
Analyze Terraform state files for sensitive data exposure

CloudFormation Analysis

Scan CloudFormation templates for security issues
Check IAM policy configurations for least privilege
Validate network configuration security
Detect insecure default configurations

Kubernetes Manifest Scanning

Analyze Kubernetes YAML manifests for security issues
Check pod security standards compliance
Validate resource limits and quotas
Detect privileged containers and host path mounts

Pulumi Code Analysis

Scan Pulumi TypeScript/Python code for security issues
Check cloud resource configurations
Validate security best practices

Policy Enforcement

Define and enforce custom security policies using OPA/Rego
Create guardrails for cloud resource configurations
Block deployments that violate security policies
Generate policy compliance reports

Compliance Mapping

Map findings to compliance frameworks (CIS, NIST, SOC 2, PCI-DSS)
Generate compliance gap analysis reports
Track remediation progress against compliance requirements

Integrations

Checkov: Multi-cloud IaC scanner by Bridgecrew
tfsec: Terraform security scanner
KICS: Keeping Infrastructure as Code Secure
Terrascan: IaC security scanner
OPA/Rego: Policy as code engine
Snyk IaC: Infrastructure as Code security testing

Target Processes

IaC Security Scanning Process
Cloud Security Architecture Review
DevSecOps Pipeline Integration
Infrastructure Deployment Pipeline
Compliance Continuous Monitoring

Input Schema

{
  "type": "object",
  "properties": {
    "iacPath": {
      "type": "string",
      "description": "Path to IaC files or directory"
    },
    "iacType": {
      "type": "string",
      "enum": ["terraform", "cloudformation", "kubernetes", "pulumi", "arm", "ansible"],
      "description": "Type of IaC to scan"
    },
    "scanners": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": ["checkov", "tfsec", "kics", "terrascan", "snyk"]
      },
      "description": "Scanners to use"
    },
    "complianceFrameworks": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": ["CIS", "NIST", "SOC2", "PCI-DSS", "HIPAA", "GDPR"]
      }
    },
    "customPolicies": {
      "type": "string",
      "description": "Path to custom OPA/Rego policies"
    },
    "severityThreshold": {
      "type": "string",
      "enum": ["CRITICAL", "HIGH", "MEDIUM", "LOW"]
    },
    "excludePaths": {
      "type": "array",
      "items": { "type": "string" }
    }
  },
  "required": ["iacPath", "iacType"]
}

Output Schema

{
  "type": "object",
  "properties": {
    "scanId": {
      "type": "string"
    },
    "iacPath": {
      "type": "string"
    },
    "scanTimestamp": {
      "type": "string",
      "format": "date-time"
    },
    "summary": {
      "type": "object",
      "properties": {
        "totalFiles": { "type": "integer" },
        "filesScanned": { "type": "integer" },
        "passedChecks": { "type": "integer" },
        "failedChecks": { "type": "integer" },
        "skippedChecks": { "type": "integer" }
      }
    },
    "findings": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "checkId": { "type": "string" },
          "severity": { "type": "string" },
          "resourceType": { "type": "string" },
          "resourceName": { "type": "string" },
          "filePath": { "type": "string" },
          "lineNumber": { "type": "integer" },
          "description": { "type": "string" },
          "remediation": { "type": "string" },
          "complianceMapping": { "type": "array" }
        }
      }
    },
    "complianceReport": {
      "type": "object"
    },
    "recommendations": {
      "type": "array",
      "items": { "type": "string" }
    }
  }
}

Usage Example

skill: {
  name: 'iac-security-scanner',
  context: {
    iacPath: './infrastructure/terraform',
    iacType: 'terraform',
    scanners: ['checkov', 'tfsec'],
    complianceFrameworks: ['CIS', 'SOC2'],
    severityThreshold: 'MEDIUM'
  }
}