Infrastructure Security Review Patterns

Security checklists and grep patterns for reviewing IaC code. Use these patterns when verifying infrastructure security.

Security Checklists

State Backend Security

Secret Exposure

Network Security

Compute Security

Database Security

Storage Security

Grep Patterns

# Hardcoded secrets
grep -rE 'AKIA[0-9A-Z]{16}' *.tf
grep -rE 'password\s*=\s*"[^$\{][^"]*"' *.tf
grep -rE 'secret.*=\s*"[^$\{][^"]*"' *.tf
grep -rE 'api_key\s*=\s*"' *.tf

# Network exposure
grep -rE '0\.0\.0\.0/0.*22' *.tf
grep -rE 'cidr_blocks.*0\.0\.0\.0/0' *.tf
grep -rE 'publicly_accessible\s*=\s*true' *.tf

# State security
grep -rE 'encrypt\s*=\s*false' *.tf
grep -rE 'block_public_acls\s*=\s*false' *.tf

# Cloud-init issues
grep -rE 'PermitRootLogin\s+yes' *.tf *.yaml
grep -rE 'PasswordAuthentication\s+yes' *.tf *.yaml

Report Template

# Infrastructure Security Review

**Repository:** [name]
**Date:** [date]
**Files Reviewed:** [count]

## Summary

| Severity | Count |
|----------|-------|
| Critical | X |
| High | X |
| Medium | X |
| Low | X |

## Findings

### [SEVERITY-001] Title

**File:** `path/to/file.tf:line`
**Resource:** `resource_type.name`

**Issue:**
Description of the security issue.

**Current:**

[current code]

**Remediation:**

[fixed code]

## Compliance Notes

- [ ] State encryption enabled (SOC 2)
- [ ] No hardcoded credentials (PCI-DSS)
- [ ] Network segmentation in place (HIPAA)
- [ ] Access logging enabled (all frameworks)

Severity Guide