1.6Key Takeaways

Infrastructure misconfigurations are the leading cause of cloud security incidents
The IaC testing pyramid has four layers: syntax, static analysis, plan analysis, and integration
Always build testing from the bottom of the pyramid up -- cheap checks first
Static analysis runs in seconds and catches the majority of security issues
Integration tests are expensive but irreplaceable for critical modules
QA engineers bring a unique adversarial mindset that infrastructure testing needs