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Course Outline
Introduction
Cluster Setup
- Use network security policies to restrict cluster-level access
- Apply CIS benchmarks to review the security configuration of Kubernetes components (etcd, kubelet, kubedns, kubeapi)
- Properly configure Ingress objects with security controls
- Protect node metadata and endpoints
- Minimize the use of and access to GUI elements
- Verify platform binaries before deployment
Cluster Hardening
- Restrict access to the Kubernetes API
- Utilize Role-Based Access Controls (RBAC) to minimize exposure
- Carefully manage service accounts, e.g., disable defaults and minimize permissions on new ones
- Keep Kubernetes updated frequently
System Hardening
- Reduce the host OS footprint to shrink the attack surface
- Minimize IAM roles
- Limit external network access
- Properly utilize kernel hardening tools such as AppArmor and seccomp
Minimizing Microservice Vulnerabilities
- Establish appropriate OS-level security domains using PSP, OPA, and security contexts
- Effectively manage Kubernetes secrets
- Employ container runtime sandboxes in multi-tenant environments (e.g., gvisor, kata containers)
- Implement pod-to-pod encryption using mTLS
Supply Chain Security
- Minimize base image footprint
- Secure your supply chain by whitelisting allowed image registries, and signing and validating images
- Conduct static analysis of user workloads (e.g., Kubernetes resources, Dockerfiles)
- Scan images for known vulnerabilities
Monitoring, Logging, and Runtime Security
- Analyze behavioral patterns of syscall processes and file activities at the host and container levels to detect malicious activity
- Identify threats across physical infrastructure, applications, networks, data, users, and workloads
- Detect all phases of an attack, regardless of origin or propagation path
- Conduct deep analytical investigations to identify bad actors within the environment
- Ensure container immutability at runtime
- Use Audit Logs to monitor access
Summary and Conclusion
Requirements
- CKA (Certified Kubernetes Administrator) certification
Audience
- Kubernetes practitioners
21 Hours
Testimonials (3)
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The knowledge and exchanges with Augustin
