Penetration Testing in the Cloud: Uncovering Hidden Risks for Modern Professionals
This article is based on the latest industry practices and data, last updated in April 2026.Why Cloud Penetration Testing Differs From Traditional Network PentestingIn my 12 years of security consulting, I've seen too many professionals treat cloud penetration testing as a simple extension of on-premises testing. That's a dangerous misconception. The cloud operates on a shared responsibility model, where the provider secures the infrastructure but you secure your data, identities, and configurations. I've learned this firsthand during a 2023 engagement with a fintech startup: they had passed a traditional network pentest, but a cloud-specific test revealed an IAM role that allowed any authenticated user to escalate privileges to admin. That misconfiguration could have led to a breach affecting 500,000 customer accounts. The core difference lies in attack surface: cloud environments expose APIs, serverless functions, storage buckets, and identity providers—not just servers and firewalls. According to the Cloud Security Alliance, 70%