Penetration Testing and Ethical Hacking

Ken Underhill crafted this Cybrary course to introduce aspiring hackers to the essentials of ethical hacking. The course covers legality and general ethics and quickly pivots into an introduction into hacking itself. It is 35 hours of deconstructing, tinkering and otherwise playing with systems to learn about the fundamentals of hacking.

Created by: Ken Underhill

Produced in 2017

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Course Description

hacking Awards Best Practical Course

Do you like breaking things or figuring out how things work? Join thousands of professionals whove entered the information security field by taking this class. Taking this ethical hacking course will give you the skills needed to become a professional penetration tester and prepare you for industry certifications, like the CEH.



    • This course is rich. It covers a wealth of topics with sufficient depth to help students develop practical skills.
    • Course is designed as a prep for the CEH exam, and student success rates verify that it is a quality prep course.
    • Class uses historical examples to help students learn the process of hacking through real-life exercises.
    • Historical examples are interesting, but they do not introduce students to modern syntaxes that are necessary for a career in ethical hacking.
    • Course claims to be designed for inexperienced coders, but students with a Python background are much more successful.
    • Wide scope of the course will force students to work with Python, Java, HTML, ASP, PHP and more. Without a strong background, students will need to spend plenty of hours with supplemental resources.

Instructor Details

Ken Underhill

Ken Underhill is the Master Instructor at Cybrary and a Cybersecurity professional. He has worked primarily in healthcare and as an adjunct professor of digital forensics. He has been instructing online for several years, primarily in business and health-related areas. He holds both the CEH (Certified Ethical Hacker)and CHFI (Computer Hacking Forensic Investigator) certifications from EC-Council and is a content reviewer/writer for both exams. He began helping other professionals pass the CHFI exam after struggling in his first exam attempt. To date, he has helped tens of thousands of people around the world pass the CEH and CHFI exams.



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By Saptarshi on 04/25/2017

Go for a fundamental course on Ethical Hacking and Penetration Testing. And the fallacy is that you wont learn too much practical implications rather than theory, but do it because everything is important.

By ales-john on 05/26/2016

I find it a fair place of beginners to start with, it depends on your current knowledge and skills.

By _FluxCannon_ on 05/26/2016

Back when I could expense Pluralsight at my company, I used that. Now that I am a freelancer again, I use Cybrary. I've contributed to Cybrary with some articles, tutorials, and such... I would highly recommend it.

By AtimDoesATon on 05/26/2016

Cybrary is extremely informative in my experience, and it has hundreds of basic, intermediate, and advanced tutorials for everything from hardware to malware analysis

By t13ru on 12/29/2015

Penetration Testing and Ethical Hacking or CEH or OSCP or any other course should give you the basic methodology and help you to find your way in this field. And in that way these courses are excellent it is up to you to decide which one better suits you.

By rightsideout on 07/11/2017

I think it depends on what you are using it for, I have used Cybrary and recommended it to others for things like CISSP, CISA, CEH prep but I have never paid for the certificate of completion because I don't really see Cybrary as a highly legitimate and recognized resource, more of a personal learning tool. I would not put a Cybrary course on my resume but I've definitely used the knowledge for certifications, work, interviews, etc. I think Cybrary is pretty awesome since it's fairly relevant and free.

By Azkrath on 06/22/2019

Cybrary is a good place to get your foot on the ground. It allows you to learn the basics of networking and InfoSec. Keep in mind that if you want to become a hacker (blackhat, whitehat or else), you need to be proficient at using several types of operating systems (linux, windows, macos, etc), be wary of how internet and communications work (routing, switching, ospf, bgp, tcp/ip, osi, etc), be able to use one or more programming languages (python and c are good places to start, js might also be handy) and be a fast learner (because the IT keeps growing fast and you need to be able to learn as It grows).

By lightkun_yagami on 05/15/2019

Cybrary's Penetration Testing and Ethical Hacking - Ken Underhill is a knowledgeable instructor but his delivery is kind of flat. I often found myself browsing other sites and got distracted. This is shorter than CBT, I think it was only 12 hours of videos.

By Akshay Bisht on 09/26/2016

Cybrary - Free Online Cyber Security Training, Forever | Learn and Find Jobs is a good tutorial based website and the tutors are awesome too with great knowledge of the courses they are teaching. But for being a security analyst it requires more practice and a lot of exposure to the exploits and use of UNIX

By Utsav Kumar on 01/09/2017

Cybrary is pretty good. Courses cover wide range of networking and security and are all free. My only complain is that some courses are somewhat badly organised.