Killian Zhou
22 years old - Paris / Brest
IT Systems Cybersecurity and Governance Engineer
Cybersecurity Consultant, Freelance Pentester, Full-stack Developer, and Embedded Programming
I am Zhou Killian, a cybersecurity consultant at CGI Business Consulting.
EFREI Paris / 2019 - 2024
Digital Engineering Degree
Digital Engineering degree specialized in IT systems cybersecurity and governance. Computer engineering training, IT Systems Cybersecurity, Cyber Governance, IT Systems Administration, mathematics, and communication, entirely in English.
APU Kuala Lumpur / 2022
Exchange semester - EFREI Bachelor of Business, Computing, and Engineering.
PMJR / Ongoing
Practical Malware Junior Reasercher
PMJT / Ongoing
Practical Mobile Junior Tester
OSCP Certified / 2023
Offensive Security Certified Professional
PNPT Certified / 2022
Practical Network Penetration Tester



Experiences
CGI BC / 2023-2024
Junior Cybersecurity Consultant
In my role at CGI Business Consulting, I conduct cybersecurity risk assessments using the EBIOS RM method. I work closely with teams to infuse cybersecurity practices into business processes, creating detailed reports and strategies to bolster client security postures.
Brainsecurity / 2022-2023
Full-Stack Developer
Design, development, and maintenance of a NextJs platform for training companies in cybersecurity. Redesigning the old web application and securing the company's administrative application.
SEPEFREI JE / 2019-2023
Web Developer and Script Writer for SEPEFREI Junior Enterprise
Creation of various types of web applications in javascript and critical situation python scripts, under very tight deadlines for clients.
ICE EFREI / 2021-2022
President of ICE EFREI, R&D Association
Skills developed: project and budget management, administration, communication, pedagogy, event hosting, embedded development, 3D printing.
Société Générale / 2021
Prospection Officer and Business Managers’ Assistant
Skills developed: follow-up on prospection, invoice management, notions in portfolio management, and associative administration.
Night Drop / 2020-2021
Sales Advisor
Skills developed: communication, customer relations, consulting, organization, cash management.
Projects
Secure Architecture
A project involving 8 students that required the total reconstruction of an IS on an ESXi. Implementation of numerous assets: Active Directory, PdT, IAM, Logger, Back-Up, Risk Analysis, Flow Matrix, Firewalls, etc.
Cyber Note Block
Notion - lien
Notes and documentation dedicated to cybersecurity, including basics of GRC, privilege escalation on Linux and Windows, Active Directory attack, and over 60 CTF challenge walkthroughs.
GDPR Application
Creation of a privacy policy, data forms, and a privacy impact assessment for a fictional company analyzing CO2 emissions from individuals.
OPCI - Encryption Software
Python AES/RSA - Azure - ElectronJS
To allow the transfer of confidential files within a company, we developed an end-to-end encrypted file sharing software solution.
Tree Commerce
React - TailwindCSS - MongoDB - Express
“How can we develop a new perspective on ecology?”. That’s how we came up with this idea: making trees the stars of our site. Ally Trees and Fashion.
Medicinery
React Native - Django - MSSQL
An application to make instructions and general information about medicines accessible.

