ShieldOps Blog

Discover the latest practices and guides for Docker, Kubernetes, and DevSecOps.

Docker Bridge Network Security: One Setting That Changes Everything

Docker Bridge Network Security: One Setting That Changes Everything

Docker's default bridge network leaves every container open to every other container — one compromised container becomes a launchpad for lateral movement. Learn how the single `icc: false` setting stops container-to-container attacks at the virtual switch level.

Kubernetes Network Policies: Enforcing Zero-Trust at the Network Layer

Kubernetes Network Policies: Enforcing Zero-Trust at the Network Layer

Kubernetes Network Policies are the primary mechanism to enforce zero-trust segmentation at the network layer. Learn how to write, debug, and optimize Network Policies with practical YAML examples, common mistakes to avoid, and advanced Cilium L7 rules.

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