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Course Outline
Cluster Setup
- Implement Network security policies to restrict cluster-level access
- Utilise the CIS benchmark to review the security configuration of Kubernetes components (etcd, kubelet, kubedns, kubeapi)
- Correctly 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
- Leverage Role-Based Access Control (RBAC) to minimise exposure
- Apply caution when using service accounts, e.g., disable defaults and minimise permissions on newly created accounts
- Keep Kubernetes up to date through frequent updates
System Hardening
- Reduce the host OS footprint (minimising the attack surface)
- Minimise IAM roles
- Limit external network access
- Employ kernel hardening tools such as AppArmor and seccomp appropriately
Minimising Microservice Vulnerabilities
- Configure appropriate OS-level security domains, e.g., using PSP, OPA, and security contexts
- Manage Kubernetes secrets effectively
- Utilise 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, and signing and validating images
- Apply static analysis to user workloads (e.g., Kubernetes resources, Dockerfiles)
- Scan images for known vulnerabilities
Monitoring, Logging, and Runtime Security
- Conduct behavioural analytics of system call processes and file activities at the host and container level to identify malicious actions
- Detect threats across physical infrastructure, applications, networks, data, users, and workloads
- Identify all phases of an attack, regardless of origin and propagation method
- Perform detailed analytical investigations to identify malicious actors within the environment
- Maintain container immutability at runtime
- Use Audit Logs to monitor access
Requirements
- CKA (Certified Kubernetes Administrator) certification
Target Audience
- Kubernetes practitioners
21 Hours
Testimonials (4)
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The knowledge and exchanges with Augustin
