KCSA Kubernetes Threat Model Practice Question
A security engineer identifies that an enterprise Kubernetes cluster has several cluster-admin bindings granted to user accounts that have left the company. Which Kubernetes security principle has been violated?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Principle of Least Privilege and proper identity/access lifecycle management
Granting excessive permissions or failing to revoke access upon role changes violates the principle of least privilege and robust identity lifecycle management.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
NetworkPolicy ingress traffic isolation
Why it's wrong here
NetworkPolicies govern network traffic, not user access accounts.
- ✓
Principle of Least Privilege and proper identity/access lifecycle management
Why this is correct
Users should only have the minimum permissions needed for their role, and credentials must be promptly revoked when personnel depart.
- ✗
Pod Security Standards baseline enforcement
Why it's wrong here
Pod Security Standards regulate runtime pod configurations, not user identity lifecycle.
- ✗
Container image vulnerability scanning policies
Why it's wrong here
Vulnerability scanning addresses software artifacts, not human access management.
About these practice questions
This KCSA question is part of Courseiva's 320-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CNCF / Linux Foundation exam blueprint
This KCSA practice question is part of Courseiva's free CNCF / Linux Foundation certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the KCSA exam.