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Duration 21 hours
Course Outline
Cluster Setup
- Implement 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
- Limit the use of and access to GUI elements
- Validate platform binaries prior to deployment
Cluster Hardening
- Limit access to the Kubernetes API
- Apply Role Based Access Controls to reduce exposure
- Exercise caution with service accounts, such as disabling defaults and minimizing permissions for newly created ones
- Maintain frequent updates to Kubernetes
System Hardening
- Reduce the host OS footprint to decrease the attack surface
- Minimize IAM roles
- Limit external network access
- Apply kernel hardening tools such as AppArmor and seccomp appropriately
Minimizing Microservice Vulnerabilities
- Establish appropriate OS-level security domains using PSP, OPA, and security contexts
- Manage Kubernetes secrets effectively
- Utilize container runtime sandboxes in multi-tenant environments (e.g., gvisor, kata containers)
- Implement pod-to-pod encryption using mTLS
Supply Chain Security
- Reduce the footprint 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 of syscall processes and file activities at both host and container levels to identify malicious behavior
- Identify threats within physical infrastructure, applications, networks, data, users, and workloads
- Detect all phases of attacks, regardless of origin or propagation method
- Carry out deep analytical investigations to identify and isolate bad actors within the environment
- Guarantee container immutability during runtime
- Utilize Audit Logs to track access
Requirements
- CKA (Certified Kubernetes Administrator) certification
Intended Audience
- Professionals working with Kubernetes
Testimonials (4)
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The knowledge and exchanges with Augustin
