What Certifications Can Help Me Get a Job as a Penetration Tester?

Key takeaways

• CEH, OSCP, CPTE, GPEN and Security+ are common.
• OSCP is hands-on using PEN-200.
• CEH is currently v13.

Penetration testing is one of the most sought-after roles in the cybersecurity field. As cyber threats continue to evolve, organizations need skilled professionals who can proactively identify vulnerabilities before malicious hackers exploit them. To pursue a career in penetration testing, you need to have a strong technical foundation and demonstrate your skills through relevant certifications.

This blog discusses the certifications that can help you land a penetration tester job, with their significance, requirements, and the skills they validate.

What is Penetration Testing?

Penetration testing, often referred to as ethical hacking, is a simulated cyberattack conducted on a computer system, network, or web application. The primary goal is to identify vulnerabilities that a potential attacker could exploit. Penetration testers use a combination of manual testing techniques, automated tools, and in-depth knowledge of security exploits to assess and enhance the security posture of an organization.

What Are the Core Skills Needed for Penetration Testing?

Before diving into certifications, it’s important to understand the core skills required for a penetration tester. These skills include:

• Networking knowledge: Understanding TCP/IP, DNS, HTTP, and other networking protocols is essential for identifying vulnerabilities.
• Operating systems proficiency: Familiarity with Linux, Windows, and Mac OS is needed since penetration testers interact with various systems.
• Scripting/programming knowledge: Knowledge of Python, Bash, PowerShell, or C/C++ is important for automation and customizing tools.
• Vulnerability assessment: Understanding how to assess systems for vulnerabilities using automated and manual methods.
• Cybersecurity concepts: Knowledge of firewalls, encryption, intrusion detection systems (IDS), and other security measures.

Here are the certifications that can boost your chances of getting hired as a penetration tester.

1. Certified Ethical Hacker (CEH)

The Certified Ethical Hacker (CEH) certification, offered by the EC-Council, is one of the most recognized credentials in the field of penetration testing and ethical hacking. It validates your ability to think like a hacker while adhering to ethical standards.

Key Features:

• Focuses on ethical hacking, network security, and penetration testing.
• Covers topics like footprinting, scanning, enumeration, exploitation, and post-exploitation.
• Requires knowledge of hacking tools and techniques used in ethical hacking.

Prerequisites:

• CEH certification requires a background in networking or security and at least two years of work experience in the IT field. If you don’t have the required experience, you can attend official EC-Council training.

Why it’s important:

CEH is ideal for those new to penetration testing and want to gain an understanding of different hacking techniques and penetration testing methodologies.

2. Offensive Security Certified Professional (OSCP)

The Offensive Security Certified Professional (OSCP) is one of the most challenging and respected certifications in penetration testing. It’s offered by Offensive Security, a provider of specialized training in ethical hacking.

Key Features:

• Hands-on approach to learning penetration testing.
• Involves real-world labs and practical penetration testing assignments.
• Covers topics such as buffer overflows, web app attacks, privilege escalation, and exploiting vulnerabilities.

Prerequisites:

• While no official prerequisites are required, a good understanding of networking, operating systems, and programming languages (like Python and Bash) is recommended.
• Offensive Security recommends completing their PWK (Penetration Testing with Kali Linux) course before attempting the OSCP exam.

Why it’s important:

The OSCP certification demonstrates that you can carry out penetration tests independently. It is known for its practical approach, and earning the OSCP signifies that you are capable of identifying and exploiting vulnerabilities in a controlled environment.

3. Certified Penetration Testing Engineer (CPTE)

The Certified Penetration Testing Engineer (CPTE) certification, offered by Ec-Council, focuses on network penetration testing, web applications, and systems vulnerabilities.

Key Features:

• Covers network and web application penetration testing.
• Emphasizes identifying, exploiting, and reporting security flaws.
• Includes attack vectors like social engineering, malware, and system exploitation.

Why it’s important:

This certification validates your skills in performing penetration tests and understanding modern threats that organizations face today.

4. GIAC Penetration Tester (GPEN)

The GIAC Penetration Tester (GPEN) certification, offered by the Global Information Assurance Certification (GIAC), is aimed at individuals who want to prove their expertise in penetration testing methodologies.

Key Features:

• Focuses on penetration testing concepts and methodologies.
• Covers topics such as network mapping, vulnerability scanning, and password attacks.
• Requires you to complete a hands-on exam that simulates real-world penetration testing scenarios.

Prerequisites:

• There are no official prerequisites for GPEN, but experience with penetration testing is recommended.

Why it’s important:

The GPEN certification provides a full understanding of penetration testing processes and methodologies, which penetration testing job roles need.

5. CompTIA Security+

While not specifically a penetration testing certification, CompTIA Security+ is a foundational certification that establishes your knowledge of general cybersecurity concepts, including risk management, threat analysis, and vulnerability assessment.

Key Features:

• Covers security concepts, tools, and techniques.
• Includes topics on cryptography, identity management, and risk mitigation.
• Suitable for those starting their cybersecurity career.

Why it’s important:

CompTIA Security+ helps you develop the foundational knowledge required for more advanced penetration testing certifications like CEH, OSCP, or GPEN.

6. Certified Expert Penetration Tester (CEPT)

The Certified Expert Penetration Tester (CEPT), offered by IACRB (International Association of Computer Security Professionals), is an advanced-level certification that focuses on high-level penetration testing skills.

Key Features:

• Focuses on advanced penetration testing techniques.
• Covers exploitation techniques, buffer overflow attacks, and post-exploitation activities.
• Involves a practical exam.

Why it’s important:

CEPT certification demonstrates that you are an expert in penetration testing, including advanced skills such as network exploitation and bypassing security measures.

7. Certified Information Systems Security Professional (CISSP)

Though not a penetration testing certification per se, CISSP is an advanced-level cybersecurity certification offered by (ISC)². This certification is ideal for those aiming to progress in the field of cybersecurity management, including penetration testers who want to expand into broader security roles.

Key Features:

• Covers topics like security and risk management, asset security, and security architecture.
• Recognized globally and often required for senior security positions.

Why it’s important:

For penetration testers looking to advance in their career, CISSP is valuable, especially if you want to take on leadership roles in cybersecurity.

Conclusion

Certifications are an excellent way to demonstrate your skills, expertise, and commitment to a career in penetration testing. While there are numerous certifications available, the ones listed above, such as CEH, OSCP, GPEN, and others, are widely recognized and highly respected by employers.

Acquiring one or more of these certifications increases your chances of getting a penetration testing job and improves your technical knowledge, hands-on skills, and credibility in the cybersecurity industry.

To take this further with guided labs and an instructor, see our our OSCP classes.

Related reading

• Top Ethical Hacking Certifications to Advance Your Cybersecurity Career
• Master Ethical Hacking: A Guide to the Best Certifications and Courses
• Best Ethical Hacking Certifications for Beginners | A Complete Guide to Kickstart Your Cybersecurity Career

Reference

For the authoritative details, see OffSec PEN-200 (OSCP).