Penetration Tester
Penetration Testers are critical in identifying weaknesses in cyber security systems, helping businesses to keep their data and networks safe.
Learn more about the skills and training you need to become a penetration tester, and the role they play within an organisation.
The role of a Penetration Tester
What is a penetration tester?
A penetration tester is responsible for attempting to exploit vulnerabilities in an organisation's systems, applications, services or network. They are sometimes called a 'white hat' ethical hacker, due to their role in testing and improving a businesses' security.
Their role is to conduct in-depth analysis of software code, reverse engineering, and fuzz testing, with the aim of uncovering additional weak areas that an attacker could seek to exploit.
Why are Penetration Testers critical for businesses?
Penetration Testers asses security measures and provide recommendations for improvement.
When they complete penetration tests or vulnerability assessments, this helps to identify, quantify, and prioritise vulnerabilities in an organisation’s digital assets.
They ensure that an organisation understands where their security posture might be lacking, so it can determine its risk appetite and take steps to remediate as needed.
Penetration tester: key skills
These are the key technical skills that may be required by penetration testers:
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Python, Bash, and PowerShell scripting
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Linux & Windows operating systems
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Networking & cloud platforms
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Coding language Python, Ruby, C & Java
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Threat modelling
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Mobile operating systems (iOS & Android)
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Software engineering security
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Reverse engineering
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Malware analysis investigation
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Open-source intelligence (OSINT)
Here are some of the key personal and interpersonal skills that may be required for this role:
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Critical thinking
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Analytical problem solving
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Constant curious mindset
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Collaboration & communication
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Research and analysis
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Creative thinkers
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Report writing
Penetration tester insights
How to become a penetration tester
Penetration tester training
Looking to begin a career as a pen tester? Explore our courses and certifications that can help to kickstart your career.
If you're a business looking to upskill your team, or hire a cyber security apprentice, get in touch with our team to discuss your requirements.
Penetration testing courses and certifications
Cyber security apprenticeships
Cyber Security learning paths
Want to boost your career in cyber security? Click on the roles below to see QA's learning pathways, specially designed to give you the skills to succeed.