Linux Foundation CKS Exam Details & Actual Exam Questions
- Exam Code/Number: CKS
- Exam Name/Title: Certified Kubernetes Security Specialist (CKS)
- Certification Provider: Linux Foundation
- Corresponding Certification: Kubernetes Security Specialist
- Exam Questions: 66
- Updated On: Jul,31 2026
- Certification Level: Expert
Linux Foundation Certified Kubernetes Security Specialist (CKS) Exam Questions
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(36 Up Votes)Linux Foundation CKS Exam Overview:
| Certification Vendor: | The Linux Foundation |
| Exam Name: | Certified Kubernetes Security Specialist |
| Exam Number: | CKS |
| Passing Score: | 66% |
| Real Exam Qty: | 15-20 |
| Available Languages: | English |
| Related Certifications: | CKA (Certified Kubernetes Administrator) |
| Exam Format: | Performance-based hands-on command line tasks |
| Certificate Validity Period: | 2 years |
| Exam Duration: | 120 minutes |
| Exam Price: | $395 USD |
| Sample Questions: | Linux Foundation CKS Sample Questions |
| Exam Way: | Online proctored exam (remote) or at a testing center |
| Pre Condition: | CKA (Certified Kubernetes Administrator) certification is required before taking CKS |
| Official Syllabus URL: | https://training.linuxfoundation.org/certification/certified-kubernetes-security-specialist/ |
Linux Foundation CKS Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Minimize Microservice Vulnerabilities | 20% | - Use PSP to enforce security controls - Set appropriate security contexts for pods and containers - Use AppArmor or seccomp profiles to constrain container behavior - Use OPA Gatekeeper to enforce security controls - Configure network policies for namespace isolation - Understand the principle of immutable containers |
| Topic 2: Monitoring, Logging, and Runtime Security | 20% | - Falco - container security monitoring and threat detection - Audit and detect logs and events for anomalies - Detect threats at the container level - Minimize the attack surface using container health indicators - Understand and monitor network traffic - Perform behavioral analytics to detect malicious activity |
| Topic 3: Cluster Setup | 10% | - Understand the security implications of embedding cloud provider flags - Use Pod Security Policies to control security-related pod behaviors - Configure TLS certificates and minimum version for etcd - Manage sensitive information in clusters - Implement Pod-to-Pod encryption using mTLS or WireGuard - Use role-based access control (RBAC) to minimize exposure - Use Cis benchmarks to check Kubernetes cluster settings |
| Topic 4: System Hardening | 15% | - Modify host components to improve security - Understand the concept of OPA (Open Policy Agent) and Gatekeeper - Kernel defaults and parameters using sysctl - Enable audit logging |
| Topic 5: Cluster Hardening | 15% | - Minimize admission of containers with sharing the host process namespace - Minimize admission of containers without a security context - Minimize admission of containers with raw block devices - Minimize admission of containers without AppArmor profile - Minimize admission of privileged containers - Minimize admission of containers with FlexVolume volumes - Minimize admission of containers with added capabilities - Minimize admission of containers without seccomp profiles - Minimize admission of containers with capabilities assigned - Minimize admission of containers with sharing the host network namespace - Minimize admission of containers with sharing the host IPC namespace - Minimize admission of containers with allowPrivilegeEscalation - Minimize admission of containers with hostPath volumes - Minimize admission of containers that allow host namespaces |
| Topic 6: Supply Chain Security | 20% | - Sign container images and verify signatures - Understand image security scanning and its workflow - Understand the software supply chain best practices - Use distroless images for static workload - Use image admission controllers to prevent use of untrusted images - Use static analysis tools to detect vulnerabilities - Understand the container build process - Minimize base image footprint |
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