Your Cybersecurity Consultant
Technical Expertise & Experience

Nicolas Duvoisin
Gr3yM00nAfter several years of intensive pentesting experience in specialized firms, I chose independence to practice my craft with more freedom and impact. Passionate about technology and holding recognized certifications, I am fully committed to raising my clients’ security level against today’s threats.
Choosing a freelancer means efficiency, proximity, and cost control. Without a heavy structure or intermediaries, you pay directly for technical expertise instead of overhead. I’m your single point of contact from scoping to final delivery, which ensures fast response, tailored follow‑up, and services that are often more competitive than a traditional firm.
Certifications
Background & Activities
3+ years of experience in offensive cybersecurity.
Bug hunting and vulnerability reporting on public and private programs.
Over a hundred penetration tests performed.
Regular participation in Capture The Flag competitions.
Ready to secure your infrastructure?
Don't wait for an incident to act. Let's discuss your needs and define the scope of your audit together.
