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Course Outline
Cluster Setup
- Implement Network security policies to restrict access at the cluster level
- 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, graphical user interface elements
- Validate platform binaries prior to deployment
Cluster Hardening
- Limit access to the Kubernetes API
- Apply Role Based Access Controls to reduce exposure
- Exercise prudence when managing service accounts, such as disabling defaults and minimizing permissions for newly created accounts
- Keep Kubernetes updated regularly
System Hardening
- Reduce the host OS footprint to minimize the attack surface
- Streamline IAM roles
- Limit external access to the network
- Utilize kernel hardening tools, such as AppArmor and seccomp, effectively
Reducing Microservice Vulnerabilities
- Establish appropriate OS-level security domains, for example by using PSP, OPA, and security contexts
- Manage Kubernetes secrets securely
- Employ container runtime sandboxes in multi-tenant environments (e.g., gvisor, kata containers)
- Enable pod-to-pod encryption using mTLS
Supply Chain Security
- Minimize the base image size
- Securitize 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 behavioral analytics of system call processes and file activities at both the host and container levels to detect malicious behavior
- Identify threats within physical infrastructure, applications, networks, data, users, and workloads
- Detect attack phases regardless of their origin or propagation method
- Perform deep analytical investigations to identify malicious actors within the environment
- Maintain container immutability during runtime
- Utilize Audit Logs to monitor access activities
Requirements
- CKA (Certified Kubernetes Administrator) certification
Intended Audience
- Professionals practicing with Kubernetes
21 Hours
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