About

NodeZero is a young cybersecurity startup on a mission to make hands-on security training accessible to everyone. We bring together pentesters, educators, and tech enthusiasts to create engaging, practical learning experiences for the next generation of defenders.
Our Mission
At NodeZero, we believe that cybersecurity is not just about technology—it's about people. Our mission is to empower the next generation of cybersecurity professionals with the knowledge, skills, and tools they need to protect our digital world.
Through innovative training platforms, competitive challenges, and secure infrastructure solutions, we're building a community where learning never stops and security excellence is the standard.
🎓 Education Excellence
Providing world-class cybersecurity training and certification programs
🏆 Competitive Spirit
Fostering growth through challenging and engaging CTF competitions
🔒 Secure Infrastructure
Delivering enterprise-grade hosting and security solutions
Our Vision
To create a world where cybersecurity education is accessible to everyone, empowering individuals with the knowledge and skills to defend against evolving threats and build a safer digital future.
Our Values
The principles that guide everything we do
Security First
Every decision we make prioritizes security and privacy above all else.
Continuous Learning
We believe in lifelong learning and staying ahead of emerging threats.
Community Focus
Building a strong, supportive community of cybersecurity professionals.
Excellence
Striving for excellence in everything we do, from education to infrastructure.
Meet Our Team
Cybersecurity experts passionate about education and innovation
Manuel Reinsperger
Co-Founder
Pentester and trainer who can find vulnerabilities faster than you can say “Austrian Cyber Security Challenge”. Known to break things—on purpose.
Marcel Schnideritsch
Co-Founder
Pentester, teacher, and cybersecurity enthusiast who still explains to his family what he actually does for a living. Also an ACSC mastermind.
Markus Ostermayer
Technical Lead
Infrastructure and DevOps wizard who speaks fluent cryptography. Probably automating something while you read this.
Maximilian Wiltschko
Software Architect
Rust fanatic and backend developer who thinks garbage collection is for mortals. Fluent in code, not necessarily in human languages.
Katharina Zirkl
UI/UX & Frontend
Creative unicorn of the team, responsible for turning hacker chaos into beautiful designs. Also makes the artwork nobody admits they secretly love.
Get In Touch
Ready to start your cybersecurity journey? We'd love to hear from you
Email Us
we@nodezero.com
General inquiries and support
Call Us
+1 (555) 123-4567
Speak with our team directly
Visit Us
San Francisco, CA
123 Cyber Street, Suite 456
Sales
sales@nodezero.com
Enterprise and custom solutions