Penetration testers play a key role in cybersecurity. Read about the common tasks associated with the job and tips to help get you started in your career.
Penetration testers, or pen testers for short, perform simulated cyber attacks on a company鈥檚 computer systems and networks. These authorised tests help identify security vulnerabilities and weaknesses before malicious hackers can exploit them.
A career as a pen tester often starts with an entry-level cybersecurity position. In this article, we鈥檒l go into more detail about what penetration testers do, why this in-demand cybersecurity career could be a good fit for you, and how to get started.
Penetration testers take a proactive, offensive role in cybersecurity by performing attacks on a company鈥檚 existing digital systems. These tests might use various hacking tools and techniques to find gaps hackers could exploit. Throughout the process, you鈥檒l document your actions and create a report on what you did and how successfully you breached security protocols.听聽
The day-to-day tasks of a pen tester will vary depending on the organisation. Here are some common tasks and responsibilities you may encounter in this role:
Perform tests on applications, network devices, and cloud infrastructures
Design and conduct simulated social engineering attacks
Research and experiment with different types of attacks
Develop methodologies for penetration testing
Review code for security vulnerabilities
Reverse engineer malware or spam
Document security and compliance issues
Automate common testing techniques to improve efficiency
Write technical and executive reports
Communicate findings to both technical staff and executive leadership
Validate security improvements with additional testing
Penetration testers typically work in one of three environments.
In-house: As an in-house penetration tester, you work directly for a company or organisation. This typically lets you know the company鈥檚 security protocols well. You may also have more input into new security features and fixes.
Security firm: Some organisations hire an outside security firm to conduct penetration testing. Working for a security firm offers greater variety in the tests you鈥檒l get to design and perform.听
Freelance: Some penetration testers choose to work as freelancers. Choosing this path can give you greater flexibility in your schedule, but you may need to spend more time looking for clients early in your career.
The terms penetration testing and ethical hacking are sometimes used interchangeably in cybersecurity, but they have slightly different meanings. Penetration testing focuses on locating security issues in specific information systems without causing damage. Ethical hacking is a broader umbrella term that includes a wider range of hacking methods. You can think of penetration testing as one facet of ethical hacking. The roles overlap with a cybersecurity Red Team鈥攖he group that gives security feedback from the adversary's perspective.
As a penetration tester, you can earn a paycheck by legally hacking into security systems. It can be a fast-paced, exciting job if you鈥檙e interested in cybersecurity and problem-solving. In this section, we鈥檒l take a closer look at the steps you might take to get your first job as a penetration tester.
Penetration testers need a solid understanding of information technology (IT) and security systems to test them for vulnerabilities. Skills you might find in a pen tester job description include:
Network and application security
Programming languages, especially for scripting (Python, BASH, Java, Ruby, Perl)
Threat modelling
Linux, Windows, and MacOS environments
Security assessment tools
Pentest management platforms
Technical writing and documentation
Remote access technologies
Today鈥檚 penetration testers have various tools to help make their jobs faster and more efficient. If you鈥檙e interested in becoming a pen tester, it can help to gain familiarity with one or more of these tools.
*Kali Linux: Popular pen-testing operating system
*Nmap: Port scanner for network discovery
*Wireshark: Packet sniffer to analyse traffic on your network
*John the Ripper: Open-source password cracker
*Burp Suite: Application security testing tools
*Nessus: Vulnerability assessment tool
*OWASP ZAP Proxy: Web application security scanner
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Enrolling in a specialised course or training programme is one of the best ways to start developing the skills you鈥檒l need as a penetration tester. With these programs, you can learn in a more structured environment whilst building multiple skills.听
If you鈥檙e new to cybersecurity, consider an option like the Google Cybersecurity Professional Certificate. The whole programme is online and self-paced, so you can learn job-ready skills whilst working or managing life鈥檚 other responsibilities.
Whilst having a degree in computer science, IT, or cybersecurity is helpful, not all penetration testing jobs require a degree. Typically, your level of experience and ability to complete the task matter more than what degree (if any) you have. If you鈥檙e starting in cybersecurity without a related degree, it might be helpful to pursue a certification to validate your skills.
Cybersecurity certifications demonstrate to recruiters and hiring managers that you have the skills to succeed in the industry. In addition to general cybersecurity certifications, you can also get certified in penetration testing or ethical hacking. Reputable certifications to consider include:
Certified Ethical Hacker (CEH)
CompTIA PenTest+
GIAC Penetration Tester (GPEN)
GIAC Web Application Penetration Tester (GWAPT)
Offensive Security Certified Professional (OSCP)
Certified Penetration Tester (CPT)
Earning one of these certifications generally requires passing an exam. Besides earning a credential for your CV, preparing for a certification exam can also help you develop your skill set.
Many companies want to hire penetration testers with previous experience. Luckily, there are ways to start gaining experience outside of the workplace. Many pen testing training programmes include hands-on testing in simulated environments.
Another way to gain experience and make your CV stand out is to participate in bug bounty programs. In these programs, companies typically offer cash bonuses to independent pen testers and security researchers who find and report security flaws or bugs in their code. It鈥檚 an excellent way to test your skills and start networking with other security professionals. You can find a list of bounties on sites like and .听
Finally, you鈥檒l find several websites designed to allow penetration testers to practice and experiment through fun, gamified experiences legally. Here are a few to get you started:
Many penetration testers start in more entry-level IT and cybersecurity roles before advancing into pen testing. If you want to pursue a career in pen testing, consider starting in a role like network or systems administrator or information security analyst to build your IT skills.
When you鈥檙e ready to begin applying for pen tester jobs, extend your search beyond the usual job sites. Whilst LinkedIn, Indeed, and Naukri are excellent resources, you should also scan specialised cybersecurity job boards, like and .
A career as a pen tester allows you to apply your hacking skills for the greater good by helping organisations protect themselves from cyber criminals. It鈥檚 also an in-demand, high-paying career path.
Penetration testers in India make an average base salary of 鈧6,68,511, according to Glassdoor []. Your salary depends on various factors, including location, experience, education, and certifications. Some industries, like financial services and military contracting, tend to pay higher salaries than others.
Cybersecurity roles are in high demand, and the role of penetration tester can be across sectors including financial services, health care and government, and IT, meaning there are plenty of options for employment.听
As you gain experience as a penetration tester, you may advance to lead a pen testing team. Some penetration testers become information security managers and may even move into executive roles.
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Whilst no two career paths are the same, it鈥檚 possible to transition into a pen testing role after gaining one to four years of work experience in IT and information security. 鈥
You don鈥檛 necessarily need a related degree to work in penetration testing. Earning a bachelor鈥檚 or master鈥檚 degree in computer science, cybersecurity, or information security could make you a more competitive candidate. 鈥
Penetration testing requires a foundational knowledge of computers, networks, and computer security, as well as many technical skills. Whilst this can initially seem intimidating, you can learn these skills and gain fluency in the related technologies with practice and persistence. 鈥
As more technology moves to the cloud, so do many of the tasks of penetration testers. Many job sites list remote penetration tester roles鈥攁 trend that鈥檚 likely to continue as more companies switch to a remote work model after COVID-19. 鈥
Glassdoor. 鈥, https://www.glassdoor.co.in/Salaries/penetration-tester-salary-SRCH_KO0,18.htm.鈥 Accessed 25th August 2023.
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