This piece explains the shared responsibility model across AWS, Azure, and GCP with emphasis on containerized workloads. It clarifies what cloud providers secure versus what customers must secure, highlights practical differences between providers, offers checklists and examples, and finishes with takeaways and a challenge.
Shared Responsibility Model (AWS, Azure, GCP) — The Cloud Isn’t a Magic Force Field You just survived a deep dive into DDoS, botnets, resilience engineering, and ingress filtering. Great — now welcome to the place where the cloud provider and you play hot-potato with security responsibilities. Spo...
Opening: Why this matters (and yes, it links to your DDoS work) You already learned how attackers can flood services and how networks need ingress filtering like BCP38. In cloud land, some of those protections live with the provider (they run the data centers), but your app still sits on top of t...
Big idea (one-liner) Cloud providers secure the cloud infrastructure ; you secure everything you put in the cloud. Translation: They secure the bricks, you secure the stuff built with the bricks. The shared-responsibility layers (visual cheat-sheet) Layer Provider (AWS/Azure/GCP) Custo...
How AWS, Azure, and GCP differ (practical distinctions) Control plane vs nodes AWS: EKS control plane is managed; worker nodes are yours unless you use Fargate . EKS has an EKS Fargate option for serverless containers. Azure: AKS manages control plane; node management depends on model and can...
Containers: the most important “who does what” map Think of containers as a three-act play: Control plane (Kubernetes API, schedulers) — usually provider-managed in managed services. Provider responsibility for availability and security of control plane nodes. Worker nodes (where containers a...
Hands-on checklist (who does what — immediate actions) Provider: ensure you subscribe to appropriate DDoS protection + use CDN/WAF for edge filtering. You: enforce least-privilege IAM, use short-lived credentials, enable MFA, and rotate keys. Provider: provide managed control plane & patching...
Small snippets that save lives (pseudo-examples) Kubernetes: enforce no-root users and read-only root filesystem (admission principle): # PodSecurity standard reference (simplified) runAsNonRoot: true readOnlyRootFilesystem: true allowPrivilegeEscalation: false IAM principle (pseudo): give s...
Common gotchas (real developer horror stories) You enabled public buckets/containers to debug once and forgot them. Oops. (Data breach) You relied on provider DDoS and disabled autoscaling; a sudden legit traffic spike costs $$$. (Resilience planning!) Using managed k8s but running self-manag...
Closing: TL;DR + challenge TL;DR: The cloud secures the ground. You secure the house and everything inside it. Choose managed services to shift risk upstream — but don’t confuse convenience with security. Key takeaways Map responsibilities when designing systems (control plane vs nodes vs ap...
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