Christian Fung Castrillo

Electronics Engineer | IoT Security & Ethical Hacking

Electronics Engineer specializing in cybersecurity and network infrastructure, with proven expertise in vulnerability assessment, security governance (ISO 27001/27005), and offensive security (CWES, AI Red Teamer). Passionate about AI safety and system resilience, I aim to contribute to securing, auditing, and optimizing modern IT architectures.

Strasbourg, FR

Languages

Skills

Certifications

Work Experience

Bug Bounty Hunter

Freelance

Sep 2025 — Present

Identify and responsibly disclose vulnerabilities in web applications
Perform penetration testing, vulnerability analysis, and problem resolution
Experience in identifying and responsibly disclosing vulnerabilities in web applications.
Skills in penetration testing, vulnerability analysis, and troubleshooting.

Administrative Supervisor

Corporacion Mundial

Sep 2020 — Aug 2022

Manage administrative operations efficiently
Lead teams and optimise processes
Improve quality standards
Experience in effectively managing administrative operations, leading teams, optimizing processes, and improving quality.

Network Administrator

Orquidea House C.A

Sep 2015 — Sep 2015

Manage, secure, and optimise company network infrastructure
Responsible for managing, securing, and optimizing the company's network infrastructure.

Skills

PythonWindows ServerVPNLinuxJavaVirtual MachinesEthical HackingNetwork AdministrationIncident Detection and ResponsePowershellKerberos

Education

Master of Science, Computer Science

CESI Strasbourg

2026 — Present

Bachelor 3, Secure Infrastructure Administrator

IRIS - Ecole supérieure d'informatique

2025 — Expected 2026

University Specialist, Multimarket Investment and Diversification

Universidad de las Hespérides

2025 — Expected 2026

Master of Science, Cybersécurité

EPITA - Ecole d'Ingénieurs en Informatique

2022 — 2024

Electronics Engineer

UJAP - Universidad José Antonio Páez

2010 — 2016

Certifications

HTB Certified Web Exploitation Specialist (CWES)

HackTheBox

Mai 2025

Diploma in ISO 27001:2022 - Information Security Management System (ISMS)

Alison

Juillet 2025

AI Red Teamer in collaboration with Google

Hack The Box

Sep 2025

Languages

Spanish

Native

French

Advanced

English

Advanced

Chinese

Intermediate