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About Us

We stop at nothing to keep your data and business secure in an age of ever-evolving cyber threats.


Co-founders Emin Caliskan and Oguzhan Topgul have more than 15+ years of technical experience in almost every sector; public organizations, private companies, international positions at NATO and graduate faculties of universities.

As a team of 5+ security professionals just like Emin and Oguzhan, FeltSecure provides e-learning courses and practical training services, along with the penetration testing and security auditing assistance services.


Felt Secure Labs

Based in London and with offices in Silicon Valley and Tallinn; our mission at FeltSecure is to create a cyber-ready workforce through online training solutions that provide organizations and individuals the knowledge and skills required to defend their most critical assets.

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Countries With Students

This is one of the best Ethical hacking course on Udemy for beginners and those who want to brush up their ethical hacking skills. I will be encouraging my students to take this course. Great Job!”

Stephen M

“This is a great course. I definitely recommend it to anyone trying to learning basic Kali-Linux commands and good pen testing practices … Thank you”

Braidy S

“An excellent well delivered course. This was a great introduction to Nmap, Metasploit and meterpreter and helped me to get a better understanding of the basics of using these toolsand has given me a good grounding to do some more in depth testing of my own. The lectures are well presented and I found I didn’t need to ask any questions as things were pretty much straight forward.”

Steve C.

“This was an excellent course. I will recommend it to many of my colleagues!!!!!”

James W. W.
“Great course, really helped me in learning the basics and basic tools hands on. Helped me in gaining confidence in using the tools on my own.”
Rajat J.

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