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Course Outline
Cluster Setup
- Implement network security policies to limit cluster-level access.
- Leverage the CIS benchmark to audit the security configurations of Kubernetes components (etcd, kubelet, kubedns, kubeapi).
- Configure Ingress objects with appropriate security controls.
- Secure node metadata and endpoints.
- Limit the use of and access to GUI elements.
- Validate platform binaries prior to deployment.
Cluster Hardening
- Restrict access to the Kubernetes API.
- Apply Role-Based Access Controls (RBAC) to minimize exposure.
- Exercise caution with service accounts by disabling defaults and minimizing permissions on new ones.
- Ensure Kubernetes is updated regularly.
System Hardening
- Reduce the host OS footprint to decrease the attack surface.
- Minimize IAM roles.
- Limit external network access.
- Utilize kernel hardening tools such as AppArmor and seccomp appropriately.
Minimizing Microservice Vulnerabilities
- Establish appropriate OS-level security domains using tools like PSP, OPA, and security contexts.
- Manage Kubernetes secrets securely.
- Employ container runtime sandboxes in multi-tenant environments (e.g., gvisor, kata containers).
- Implement pod-to-pod encryption via mTLS.
Supply Chain Security
- Reduce the size of base images.
- Secure the supply chain by whitelisting allowed image registries and signing/validating images.
- Apply static analysis to user workloads (e.g., Kubernetes resources, Dockerfiles).
- Scan images for known vulnerabilities.
Monitoring, Logging, and Runtime Security
- Conduct behavioral analytics on syscall processes and file activities at the host and container levels to detect malicious actions.
- Identify threats across physical infrastructure, applications, networks, data, users, and workloads.
- Detect all phases of attacks regardless of their origin or spread.
- Perform deep analytical investigations to identify bad actors within the environment.
- Guarantee container immutability at runtime.
- Utilize Audit Logs to monitor access patterns.
Requirements
- CKA (Certified Kubernetes Administrator) certification
Target Audience
- Kubernetes practitioners
21 Hours
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