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Nicolas D
@gr3ym00n
Pentester and Cybersecurity Auditor
Francia
Francés
Sobre mí
Specializing in offensive cybersecurity and penetration testing (Pentest), GreyMoon Security supports companies in securing their information systems.
Our Expertise:
- Web, Mobile, and API Security Audits
- Internal & External Penetration Testing
- Social Engineering and Custom Red Team Exercises
Based in Clermont-Ferrand (France), I prioritize working closely with local organizations, but I also operate throughout France and Europe (on-site or remotely) to secure your critical infrastructure.
Habilidades

Nicolas D
desconectado •
Revisa mis servicios

Programación y tecnología
I will perform a professional web or external penetration test

Programación y tecnología
I will perform a professional internal penetration test
Experiencia laboral
Pentester / Cybersecurity Auditor
ImmunIT SARL • Tiempo completo
Sep 2025 - Feb 2026 • 5 mos
Conducting penetration tests (Web, Active Directory, External, Mobile) to help clients identify and remediate vulnerabilities within their systems.
Pentester / Cybersecurity Auditor
NEVERHACK
Feb 2024 - Sep 2025 • 1 yr 7 mos
Penetration Testing, Audits, Red Teaming, Phishing Simulations, and other Cybersecurity Consulting services.
Cybersecurity source code auditor
DGA - Direction générale de l'armement • Tiempo completo
Oct 2022 - Mar 2024 • 1 yr 5 mos
Security assessment of applications through source code analysis. Direct collaboration with developers to implement remediation.