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Why Choose Us
In an ever-changing threat landscape, defense isn’t enough. We specialize in red teaming, adversary emulation, and offensive security to identify vulnerabilities before attackers can exploit them
Real-World Red Teaming
Simulating advanced cyber attacks to expose weaknesses before real adversaries do.
Built by Hackers, For Hackers
Learn real-world red teaming, exploit development, and adversary emulation from industry experts.
24/7 Live Support
Always here to help—get expert assistance whenever you need it, day or night.
Choose Your Favourite Course
Master the art of offensive security - learn to identify, exploit, and defend against real-world cyber threats.
Cybersecurity: Online / Offline
CEH v13 Training: Become a Certified Ethical Hacker
Cybersecurity: Online / Offline
Complete Red Team Training: Master Offensive Security
Cybersecurity: Online / Offline
Advanced Bug Bounty Hunting Training: Find Bugs, Earn Rewards
Cybersecurity: Online / Offiline
Complete Web & Network Pentesting Training: Penetrate & Protect
Browse Courses By Categories
Explore a wide range of cybersecurity training—master offensive, defensive, and specialized skills to become a true Cyber Expert
Red Team
Explore advanced offensive security techniques, simulate real-world attacks, and master hacking tactics to outsmart defenses.
Certification Preparation
Prepare for top cybersecurity certifications with expert-led courses and resources to help you pass with confidence.
Blue Team
Learn to detect, defend, and respond to cyber threats with cutting-edge tools and strategies for ultimate defense.
Programming For Hackers
Quick, focused lessons designed to boost your skills and give you hands-on experience in cybersecurity.
Become an instructor with Redefen Security
Join our team of experts and help shape the next generation of cybersecurity professionals.We offer a platform for experienced instructors to share their knowledge and skills with aspiring students. Whether you're a seasoned professional or a passionate educator, we provide the tools and resources to make your teaching journey a success.
Testimonials
Our students don’t just learn—they apply their skills in real-world scenarios. Many have secured internships and roles in Cybersecurity firms specializing in VAPT, Penetration Testing, and Red Teaming
This course was a game-changer! The hands-on labs and real-world attack simulations gave me the skills I needed. Just weeks after completing it, I landed an online internship in VAPT
Redefen is only focus in Cybersecurity in Nepal, This course took my skills to the next level. The practical red teaming approach helped me secure my first penetration testing online internship!
Redefen's RedTeam Warfare is best and cheapest cybersecurity course in nepal, it covers all topics and advance red training, thanks to the ritik sir i got intern.
I took Redefen's Web & Network Pentesting course which was most affordable and long duration cost totally worth it with practical labs and actually got helped for intern special thanks to redefen's team.
CEH v13 with AI helped me crack the exam but I failed redefen's intern exam but i will again try with another hardwork.
ReDefen Security - Navigating the complexities of cybersecurity with confidence focused on Red Team Blue Team providing expert guidance, innovative solutions, and hands-on training to ensure the resilience and security.
In An Ever-Changing Threat Landscape, Defense Isn't Enough
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