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Course Outline
Cluster Setup
- Apply Network security policies to limit cluster-level access.
- Leverage the CIS benchmark to audit the security configuration of Kubernetes components (etcd, kubelet, kubedns, kubeapi).
- Configure Ingress objects with appropriate security controls.
- Safeguard node metadata and endpoints.
- Reduce reliance on and access to GUI elements.
- Validate platform binaries prior to deployment.
Cluster Hardening
- Limit access to the Kubernetes API.
- Implement Role-Based Access Controls (RBAC) to reduce exposure.
- Handle service accounts carefully, such as disabling defaults and limiting permissions on new accounts.
- Keep Kubernetes updated regularly.
System Hardening
- Reduce the host OS footprint to minimize the attack surface.
- Limit the scope of IAM roles.
- Restrict external network access.
- Utilize kernel hardening tools like AppArmor and seccomp appropriately.
Minimizing Microservice Vulnerabilities
- Establish OS-level security domains using PSP, OPA, or security contexts.
- Manage Kubernetes secrets effectively.
- Deploy container runtime sandboxes in multi-tenant settings (e.g., gvisor, kata containers).
- Enable pod-to-pod encryption using mTLS.
Supply Chain Security
- Reduce the size of base images.
- Secure the supply chain by whitelisting image registries and signing/validating images.
- Perform static analysis on user workloads (e.g., kubernetes resources, docker files).
- Scan images for known vulnerabilities.
Monitoring, Logging, and Runtime Security
- Conduct behavioral analytics of syscall and file activities at both host and container levels to identify malicious actions.
- Identify threats across physical infrastructure, applications, networks, data, users, and workloads.
- Detect attack phases regardless of origin or propagation method.
- Carry out deep analytical investigations to identify malicious actors within the environment.
- Maintain container immutability during runtime.
- Monitor access patterns using Audit Logs.
Requirements
- CKA (Certified Kubernetes Administrator) certification
Target Audience
- Professionals working with Kubernetes
21 Hours
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