Penetration Tester Interview Questions and Answers (UK): Ethical Hacking, Reporting and Scope

Pen testers find weaknesses before attackers do. Interviews test technical skills and professionalism.

What employers look for in a penetration tester

• Technical depth.

• Methodical approach.

• Clear reporting.

• Ethics.

Interview question: Walk me through a penetration test.

Scope and rules of engagement, reconnaissance, scanning, exploitation, post-exploitation, reporting and retest.

Interview question: What is the OWASP Top 10?

A list of the most critical web application security risks.

Interview question: How do you write a report?

Clear executive summary, technical findings, risk ratings and fixes.

Interview question: What legal issues apply?

Computer Misuse Act, written authorisation and scope limits.

Interview question: What tools do you use?

Nmap, Burp Suite, Metasploit with examples.

Interview question: How do you keep learning?

Labs, CTFs and research.

UK-specific points to know

• The Computer Misuse Act 1990 makes unauthorised access illegal.

• CREST and OSCP are respected certifications.

Common mistakes

• Tool listing without method.

• Ignoring legal scope.

• Poor reports.

Quick answers

Do I need experience? Many employers value attitude and learning ability, and entry-level routes exist. Show real examples, even from study or volunteering.

How long is the interview? Usually 30 to 60 minutes, sometimes with a test or practical task.

Practise real penetration tester questions with model answers in our question bank. Every role has five questions free.

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