Offensive security (OffSec) is crucial to proactively combatting cyber threats. With this innovative approach, cyber security teams think like adversaries to identify and address weaknesses long before actual attackers can exploit them.
However, OffSec changes quickly. Professionals need to stay on the cutting edge of OffSec to plan realistic, accurate tests that reflect adversaries’ current strategies. OffSec certifications and training courses help security professionals avoid these threats by understanding the theory and execution of real-world exploits.
OffSec certification courses or training are one way for security professionals to keep their knowledge up-to-date. There are many options to choose from, but these top-rated certifications and courses help professionals of all levels sharpen their skills.
The PEN-200 course (Penetration Testing with Kali Linux) is OffSec's flagship training program designed to immerse learners in methodologies, tools, and techniques of ethical hacking. This self-paced, hands-on course covers a range of topics including information gathering, vulnerability scanning, web application attacks, and privilege escalation.
Students engage with interactive labs that simulate real-world environments, allowing them to apply concepts and techniques in a controlled setting. Those who complete this course and pass its rigorous exam earn the OffSec Certified Professional (OSCP & OSCP+) penetration testing certification.
The PEN-300 course is part of the OffSec OSEP certification pathway. With this course, you’ll learn advanced pentesting techniques based on real-world scenarios. The course covers topics such as:
As part of the OSWE certification pathway, WEB-300 is a more advanced course on web application exploits and pentesting. Not only will you learn how to discover vulnerabilities, but WEB-300 will also teach you how to develop effective exploits.
This course discusses JavaScript prototype pollution, advanced SSRF, session hijacking, remote code execution, data exfiltration, and more.
InfosecTrain’s Advanced Penetration Testing (APT) course is an interactive, instructor-paced course with 40 hours of live training. All learning is scenario-based and interactive, helping you learn Linux for testing, scripting, Python, OSINT, reconnaissance, exploit frameworks, and much more.
APT is highly technical, so it’s best for experienced pentesters interested in upskilling or learning more about tools like Burp Suite, Netcat, and Wireshark.
PEN-210 is a good foundational course for new IT professionals interested in wireless network security. This OffSec training course explores common vulnerabilities and exploits, including authentication cracking, WPS network attacks, and rogue access points.
PEN-210 is also part of the OSWP learning pathway, which is a helpful credential for anyone interested in a career in wireless security.
The EXP-401 course, offered by Offensive Security, is an expert-level program designed for seasoned security professionals aiming to master advanced Windows exploitation techniques. This course is exclusively delivered through in–person, hands-on training sessions, emphasizing real-world scenarios and practical application.
EXP-401 is the most challenging course OffSec offers, and it requires a significant time investment. OffSec recommends completing the 300-level courses before enrolling in EXP-401.
The course culminates in a rigorous 72-hour exam. Those who pass earn the Offensive Security Exploitation Expert (OSEE) certification—the most difficult exploit development certification available.
Applied Technology Academy offers immersive OffSec bootcamp-style training. It provides OffSec 100-level training on pentesting fundamentals, networking, scripting, cryptography, and web application basics.
While this training happens live, you can also enroll in ATA’s OffSec Learn Fundamentals course for self-paced learning tailored to beginners.
Choosing the right OffSec certification can feel overwhelming, especially with so many options tailored to different skill levels, roles, and learning styles. Your ideal course will depend on your current experience, goals, preferences, and available time and budget.
Here’s what to keep in mind to find the best fit.
OffSec courses vary widely in difficulty. Begin by evaluating your technical background to choose a course that aligns with your current capabilities:
Each OffSec certification aligns with different roles in cybersecurity. Consider your professional objectives to choose the most relevant path:
Many OffSec courses, including the OSCP and OSWE courses, are self-paced and come with lab environments that you can explore on your own schedule. But if you prefer a more structured setting with real-time guidance, instructor-led options like Applied Technology Academy bootcamps or InfosecTrain’s courses may be a better fit.
It’s also important to understand that OffSec certifications are heavily hands-on. These are not theoretical exams—you’ll be expected to apply your skills in lab environments and during practical, time-boxed challenges.
For example, the OSCP exam spans 24 hours of live hacking, while earning the OSEE certification requires passing a rigorous 72-hour exam in a virtual lab environment. Make sure you’re comfortable with this kind of immersive, practical learning.
OffSec courses vary in cost, generally ranging from $1,000 to over $5,000. For example, Offensive Security’s courses start at around $1,750 and include access to the course materials, lab access, and one exam attempt.
Individuals and organizations can purchase annual access to Offensive Security’s OffSec Learning Library starting at around $6,100, while bundled packages (such as access to all fundamental content for 365 days) start at around $800. This may be a good option for those who plan to take multiple courses consecutively—but keep in mind that each course requires a significant time commitment.
The time commitment also varies depending on your experience. Most people prepare for the OSCP over the course of three to six months. Courses like OSWE and OSEP might take two to four months if you already have a strong foundation.
Also, keep in mind that many exams charge additional fees for retakes, so it’s worth budgeting a buffer for those possibilities.
Before enrolling, make sure you meet the course prerequisites. For instance, OSCP expects familiarity with Windows/Linux administration, scripting (Python or Bash), and TCP/IP networking,
OSWE requires a solid grasp of Linux, web application vulnerabilities like SQL injection and XSS, web proxy experience, and basic scripting knowledge (Python, Perl, PHP, Bash). OSEE is the most advanced and expects proficiency in operating a debugger, WinDBG, x86_84 assembly, and IDA Pro, as well as basic C/C++ programming knowledge.
If you’re missing any of these skills, it’s a good idea to start with supplemental resources like red team training courses. Platforms like TryHackMe, Hack The Box, or certifications like CompTIA Security+ can help you build a strong foundation before committing to an OffSec course.
Threats change constantly, and cybersecurity professionals must arm themselves with the latest attack methods and tools to stay ahead of attackers. Preparing for potential cyber attacks requires robust training and proactive defense.
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Unfortunately, no. Most OffSec courses—especially OSCP—assume a working knowledge of Linux, networking, and scripting. Absolute beginners should start with foundational training like CompTIA Network+ or Linux basics before diving into OffSec.
The more you know, the more value you’ll get out of OffSec training. Every course differs in depth, but these tools are valuable to know before enrolling:
OffSec is known for being technical and hands-on. These courses require lab work, scripting, and problem-solving. Expect a steep learning curve, especially in advanced courses like EXP-401.
