The Shared Responsibility Model Explained for Enterprise Security Leaders
Cloud did not reduce your accountability. It amplified it. Somewhere along the way, “moving to the cloud” became synonymous with “the provider handles cloud security.” It sounds convenient. It is also dangerously incomplete. When regulators investigate a breach, they do not call your cloud vendor first. They call you. When the board demands answers, they do not want architecture diagrams. They want accountability. When customers lose trust, they do not care whether it was IaaS, PaaS, or SaaS. They care that their data was exposed. The uncomfortable truth is this: most enterprises operate in the cloud with partial clarity about who owns what. Infrastructure is secured by the provider. Identities, configurations, access policies, data classification, and compliance controls are not. That grey area is where risk lives. The shared responsibility model is not a slide in a vendor presentation. It is the dividing line between defensible governance and preventable failure. At Welki...
