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Ethical Hacker (Penetration Tester) interview questionsProblem-solving Test round

A 60 min interview plan with a time-boxed script, what each question is for, and the signals to score against. Key skills: Problem Solving, Analytical Thinking, Critical Thinking, Decision Making, Attention to Detail.

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Introduction

5 min
•

Hi, I’m [YOUR_NAME], and I’m a [YOUR_TITLE] at [COMPANY_NAME]. I’m excited to learn more about your experience today.

•

Could you briefly introduce yourself and share what attracted you to apply for this position?

What this question is for, and what to listen for

Purpose

Assess communication skills, alignment with the role, and initial confidence.

Signals to score

  • Clear introduction provided
  • Relevant experience mentioned
  • Motivations for applying explained
  • Alignment with team values
  • Specific skills highlighted
  • Response is concise and organized
  • Understanding of role requirements

Follow-up questions

  • What excites you most about this position?
  • How does your background align with our team’s work?
•

Great, thank you for sharing! In the next 50 minutes, we’ll dive into a challenge to assess your problem-solving skills. After that, you can ask any questions you have about the role or the company.

Challenge Questions

50 min
•

Challenge 1: You are tasked with performing a penetration test on a web application. Describe your approach to identifying and exploiting vulnerabilities in the application. Follow-up Questions: - What tools would you use and why? - How would you prioritize vulnerabilities? - How would you report your findings?

What this question is for, and what to listen for

Purpose

Assess problem-solving, analytical thinking, and attention to detail.

Signals to score

  • Clear understanding of penetration testing process
  • Logical and structured approach
  • Knowledge of relevant tools
  • Prioritization of vulnerabilities
  • Effective reporting strategies
  • Considers ethical implications
  • Open to feedback and adjusts accordingly

Follow-up questions

  • Can you explain your initial steps in the testing process?
  • How do you decide which tools to use?
  • What factors influence your prioritization of vulnerabilities?
•

Challenge 2: During a penetration test, you discover a critical vulnerability that could compromise the entire system. What steps would you take to address this situation? Follow-up Questions: - How would you communicate this to the client? - What immediate actions would you recommend?

What this question is for, and what to listen for

Purpose

Assess critical thinking, decision making, and communication skills.

Signals to score

  • Recognizes the severity of the vulnerability
  • Clear communication strategy
  • Recommends immediate actions
  • Considers client’s perspective
  • Demonstrates ethical responsibility
  • Provides a structured plan
  • Shows understanding of risk management

Follow-up questions

  • How would you prioritize your actions?
  • What factors would you consider in your communication?
  • How do you ensure the client understands the risk?
•

Great job on the challenges!

Closing

5 min
•

Do you have any questions for me about the team or the company?

What this question is for, and what to listen for

Purpose

Gauge the candidate’s curiosity and interest in the role.

Signals to score

  • Thoughtful questions asked
  • Interest in company culture
  • Curiosity about growth expressed
  • Questions about role raised
  • Inquiries about team challenges
  • Engagement with responses shown
  • Desire to learn next steps
  • Focus on company values expressed

Follow-up questions

  • What interests you most about this team?
  • Are there any areas of the role you’d like to explore further?
•

Thank you for your time today. We’ll be in touch soon regarding the next steps.

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Interview Template
Position
Ethical Hacker (Penetration Tester)
Round
Problem-solving Test for 60 min
Key skills
Problem Solving, Analytical Thinking, Critical Thinking, Decision Making, Attention to Detail

Ethical Hacker (Penetration Tester) interviews — common questions

Who is this Ethical Hacker (Penetration Tester) interview plan for?
It is written for the interviewer, not the candidate: the hiring manager, engineer or panel member running the Problem-solving Test round for a Ethical Hacker (Penetration Tester) role. It gives you a 60 min script to follow in the conversation — 4 questions with what each one is for and the signals to score against — so you are not writing the round from scratch the night before.
What does the Problem-solving Test round assess?
This round is focused on: Problem Solving, Analytical Thinking, Critical Thinking, Decision Making, Attention to Detail. It works through Introduction, Challenge Questions and Closing, scoring against 29 observable signals, with follow-up prompts on all 4 questions for going deeper where an answer is thin.
How is the 60 min split up?
Introduction (5 min), Challenge Questions (50 min), Closing (5 min). The timings are there so the round stays on schedule and every candidate gets the same shape of interview — which is what makes two candidates comparable afterwards.
What other rounds should I run for a Ethical Hacker (Penetration Tester)?

A single round does not cover a whole role. The other rounds in this library for a Ethical Hacker (Penetration Tester):