Cloud
On-demand delivery of compute, storage, and services over the internet under a shared-responsibility model.
The shared-responsibility model splits duties between provider and customer, and the split shifts by service model: IaaS leaves the most to the customer (OS and up), SaaS the least (just data, identity, and configuration). Misconfiguration — public storage buckets, over-broad IAM, exposed management ports — rather than provider breach, is the dominant cause of cloud incidents.
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