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Cloud-Native Security in 2026: What Developers Must Know About Containers and Kubernetes

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Cloud-native security in 2026 spans a broader attack surface than traditional cloud security, extending beyond infrastructure to cover container images, Kubernetes orchestration, CI/CD pipelines, and runtime behavior. Unlike conventional cloud security, which focuses on provider-level controls like IAM and VPC configuration, cloud-native security addresses the full application-platform stack and the trust boundaries artifacts cross between source code and execution. The operational definition now includes supply-chain provenance tools such as SLSA and Sigstore, service-mesh frameworks like Istio and Cilium, and runtime detection toolchains built on eBPF. Policy-as-code systems such as OPA Gatekeeper and Kyverno have become central to governing what workloads are permitted to run inside modern clusters. Developers are advised to treat each layer of the cloud-native stack as a distinct attack surface requiring its own defensive practices, aligned with frameworks including OWASP ASVS 5.0.

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