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Duration 21 hours
Course Outline
Cluster Setup
- Implement Network security policies to restrict cluster-level access
- Leverage the CIS benchmark to assess the security configuration of Kubernetes components (etcd, kubelet, kubedns, kubeapi)
- Configure Ingress objects with appropriate security controls
- Safeguard 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 to minimize exposure
- Exercise caution with service accounts, such as disabling defaults and minimizing permissions for newly created ones
- Keep Kubernetes up to date with frequent updates
System Hardening
- Reduce the host OS footprint to minimize the attack surface
- Streamline IAM roles
- Limit external network access
- Utilize kernel hardening tools like AppArmor and seccomp appropriately
Minimizing Microservice Vulnerabilities
- Establish appropriate OS-level security domains, for example, using PSP, OPA, or security contexts
- Manage Kubernetes secrets effectively
- Employ container runtime sandboxes in multi-tenant environments (e.g., gvisor, kata containers)
- Implement pod-to-pod encryption using mTLS
Supply Chain Security
- Reduce the base image footprint
- Secure the supply chain by whitelisting allowed image registries, signing, and validating images
- Perform static analysis of user workloads (e.g., Kubernetes resources, Docker files)
- Scan images for known vulnerabilities
Monitoring, Logging, and Runtime Security
- Conduct behavioral analytics of syscall processes and file activities at the host and container levels to detect malicious behavior
- Identify threats within physical infrastructure, apps, networks, data, users, and workloads
- Detect all phases of attacks regardless of their origin or method of propagation
- Carry out deep analytical investigations to identify malicious actors within the environment
- Ensure the immutability of containers during runtime
- Utilize Audit Logs to monitor access
Requirements
- CKA (Certified Kubernetes Administrator) certification
Audience
- Kubernetes practitioners
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