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Course Outline
Cluster Setup
- Apply Network security policies to control access at the cluster level
- Leverage CIS benchmarks to audit the security settings of core Kubernetes components (etcd, kubelet, kubedns, kubeapi)
- Configure Ingress objects with appropriate security controls
- Safeguard node metadata and endpoints
- Limit reliance on and access to GUI components
- Validate platform binaries prior to deployment
Cluster Hardening
- Limit direct access to the Kubernetes API
- Employ Role Based Access Controls (RBAC) to reduce exposure
- Exercise prudence when managing service accounts, such as disabling defaults and restricting permissions on new accounts
- 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 effectively
Minimizing Microservice Vulnerabilities
- Establish appropriate OS-level security domains using mechanisms such as PSP, OPA, and security contexts
- Manage Kubernetes secrets securely
- Implement container runtime sandboxes for multi-tenant scenarios (e.g., gvisor, kata containers)
- Apply mTLS to enforce pod-to-pod encryption
Supply Chain Security
- Keep base images lightweight to reduce the attack surface
- Protect the supply chain by whitelisting authorized image registries, signing images, and validating them
- Run static analysis on user workloads, including Kubernetes resources and Dockerfiles
- Scan images for existing vulnerabilities
Monitoring, Logging, and Runtime Security
- Analyze syscall processes and file activities at both host and container levels to identify malicious behavior
- Identify threats across physical infrastructure, applications, networks, data, users, and workloads
- Monitor all stages of potential attacks, regardless of origin or propagation path
- Conduct in-depth investigations to identify malicious actors within the environment
- Maintain container immutability during runtime
- Use Audit Logs to track access patterns
Requirements
- CKA (Certified Kubernetes Administrator) certification
Audience
- Kubernetes practitioners
21 Hours
Testimonials (4)
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The knowledge and exchanges with Augustin
