k8s-security-policies

What This Skill Does

The k8s-security-policies skill provides a standardized framework for hardening Kubernetes environments. It acts as an expert consultant for implementing defense-in-depth strategies, focusing on three core pillars: Pod Security Standards (PSS), Network Policies, and Role-Based Access Control (RBAC). The skill automates the generation of compliant YAML manifests, ensuring that namespaces are appropriately labeled, network traffic is restricted via default-deny stances, and service accounts are granted the minimum necessary permissions required to operate. By utilizing this skill, platform engineers can move away from manual, error-prone configuration and adopt declarative security as code that integrates seamlessly with existing CI/CD pipelines.

Installation

To install this skill, use the ClawHub command-line interface within your OpenClaw environment. Run the following command: clawhub install openclaw/skills/skills/anton-abyzov/sw-k8s-security-policies Ensure your current context has administrative permissions over the cluster if you intend to apply policies directly through the agent.

Use Cases

• Production Hardening: Automatically transition namespaces from 'privileged' to 'restricted' pod security standards.
• Network Segmentation: Implement micro-segmentation by default-denying all traffic and explicitly whitelisting communication paths between microservices.
• Least-Privilege RBAC: Generate scope-specific Roles and ClusterRoles to limit the blast radius of compromised service accounts.
• Multi-tenant Isolation: Configure admission control labels to prevent cross-namespace pod scheduling and communication.
• Audit Readiness: Prepare your cluster for security compliance audits by standardizing policy enforcement across all environments.

Example Prompts

1. "Apply the restricted Pod Security Standard to the production namespace and help me identify any pods that would violate these rules."
2. "Create a network policy that allows my 'frontend' deployment in the 'web' namespace to communicate with the 'api' service on port 8080 only."
3. "Generate a ClusterRole that allows read-only access to secrets for a specific monitoring service account, excluding all other permissions."

Tips & Limitations

• Always Audit First: When deploying NetworkPolicies, use 'audit' mode or 'warn' labels before enforcing them to ensure you do not break existing traffic flows.
• Namespace Labels: Remember that Pod Security Standards are enforced via namespace labels; changing these will affect all new pods created in that namespace.
• Policy Conflict: Be aware that multiple NetworkPolicies can apply to a single pod; if you have overlapping policies, the rules are additive.
• RBAC Complexity: ClusterRoles are powerful; always prefer namespaced Roles to reduce the risk of unintended privilege escalation.