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 insights
How to become a penetration tester
Explore the people and technical skills that can support a career in cyber security, or view our penetration testing training and learning paths.
Technical 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)
Soft skills
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 testing training and courses
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.
Insights from the experts
"Penetration testers play a critical role in identifying and mitigating security vulnerabilities and ensuring that organisations are better prepared to defend against cyber threats. Often taking part in bug bounty or vulnerability reward initiatives to find and ethically report security issues."
"Skilled professionals in this field are essential for maintaining robust security postures and proactively addressing potential risks and ensuring the resilience of digital systems in an increasingly threat-filled landscape."
Cyber Security Portfolio Director
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