Julien PERRIN

28 years old perrin.jul97@gmail.com

94110 Arcueil B license

Education & Degrees

ISEP

Engineering cycle

ISEP - Paris, Software Engineering Cycle

2017 - 2020

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2019 - 2020 : President of CyberLab division at GarageIsep
2018 - 2019 : President of VRLab division at GarageIsep
2017 - 2018 : Member of IALab division at GarageIsep
2017 - 2018 : International exchange - one semester at Glyndwr University - Wrexham Wales

ISEP International

Preparatory class

ISEP – Paris, International Integrated Cycle

2015 - 2017

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2016 - 2017 : English, TOEIC – B2 Level – 850 points
2016 - 2017 : French, Voltaire Project – Business Level – 701 points
2015 - 2016 : International exchange – one semester in summer school at BCIT (British Columbia Institute of Technology) - Vancouver Canada

Lycée Fenelon

Scientific Baccalaureate

Fenelon Paris High School

2012 - 2015

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ISN Specialization (Information technology and digital sciences)
- Python and HTML/CSS development

Experiences

C2S Bouygues - Bouygues Telecom Business Solution

Expert pentester at Bouygues Telecom Business

January 2024 - Now
Bouygues Telecom Business Solution

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sleepyhollow

Member of Sleepyhollow, French cyber CTF Team

February 2024 - Now
Top 5 France, Top 191 worldwide in 2025

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xa21

Member of XA21, French cyber CTF Team

May 2023 - January 2024
Top 6 France and Top 155 worldwide in 2023

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Thales

Satellite pentest management

May 2022 - November 2023
Thales TSIX, 3 days of 5

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Apside

Head of the pentesting unit

March 2022 - January 2024
Apside Cyber

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GarageIsep

Offensive web & mobile pentester at Intrinsec

September 2020 - February 2022
Intrinsec : in the Evaluation department

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GarageIsep

Root-me performer (Top 170, Hacker rank, +10k points)

2019 - Now
Link to root-me profile : Lumy

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GarageIsep

President of CyberLab division at GarageISEP*

2019 - 2020
*GarageISEP : ISEP Association relative to New Technologies

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GarageIsep

Offensive web & mobile pentester (Intership)*

February 2020 - July 2020
*Intrinsec : in the Evaluation department.

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HackathonVivatech

Hackathon Vivatech (TechCrunch)

Friday 17 May 2019 - Saturday 18 May 2019

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Datathon

Datathon: Special Jury Prize (Main Jury: Cédric Villani)

Friday 15 March 2019 - Sunday 17 March 2019

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GarageIsep

President of VRLab division at GarageISEP*

2018 - 2019
*GarageISEP : ISEP Association relative to New Technologies

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JungleVR

Developer in Web and VR (Internship)

August 2018 - Décembre 2018 (5 months)
2nd engineer year ISEP internship

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Glyndwr

Android and Web development

Glyndwr University - Wrexham Wales

September 2017 - February 2018 (One semester)
International ISEP exchange

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Skills

HTML5

HTML/JS/CSS

PHP7

PHP

React

React

Next

Next

Flask

Flask

Mongo

MongoDB

PostgreSQL

PostGreSQL

Office

Office

Git

Git

Gitkraken

Gitkraken

Unity3D

Unity3D

Vuforia

Vuforia(AR)

steamvr

Steam VR

C#

Python

Python

Java

Java

Android Studio

Android Studio

OSINT

OSINT

Kali

Offensive cybersecurity

Web pentest

Web pentest

Active directory pentest

AD pentest

Mobile pentest

Mobile pentest

Certifications

Hack The Box

CAPE Certificate

Hack The Box Certification

CAPE

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Subject areas covered:
- Advanced Active Directory Enumeration
- Abusing AD Protocols
- Abusing AD Trusts
- Abusing AD Misconfigurations
- Abusing Common Active Directory Components
- Command and Control (C2) Operations
- Windows Evasion
- Pivoting & Lateral Movement
- Advanced Post-exploitation Tactics

CAPE Certificate

Hack The Box Certification

CAPE

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Subject areas covered:
- Advanced Active Directory Enumeration
- Abusing AD Protocols
- Abusing AD Trusts
- Abusing AD Misconfigurations
- Abusing Common Active Directory Components
- Command and Control (C2) Operations
- Windows Evasion
- Pivoting & Lateral Movement
- Advanced Post-exploitation Tactics

CAPE Certificate

Hack The Box Certification

CAPE

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Subject areas covered:
- Advanced Active Directory Enumeration
- Abusing AD Protocols
- Abusing AD Trusts
- Abusing AD Misconfigurations
- Abusing Common Active Directory Components
- Command and Control (C2) Operations
- Windows Evasion
- Pivoting & Lateral Movement
- Advanced Post-exploitation Tactics

Dante Certificate

Hack The Box Pro Labs

Dante

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Subject areas covered:
- Enumeration, Exploit development
- Lateral movement, Local privilege escalation
- Situational awareness
- Web application attacks

Zephyr Certificate

Hack The Box Pro Labs

Zephyr

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Subject areas covered:
- Enumeration, Relay attacks, Pivoting
- SQL attacks, Password cracking
- Privilege escalation, Web application attacks
- Exploitation of active directory flaws
- Lateral movement & crossing trust boundaries

P.O.O. Certificate

Hack The Box Mini Pro Labs

P.O.O.

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Subject areas covered:
- Enumeration
- Active Directory enumeration and attacks
- Lateral movement
- Local privilege escalation
- Situational awareness
- Web application enumeration and attacks

Hades Certificate

Hack The Box Mini Pro Labs

Hades

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Subject areas covered:
- Network Sniffing
- Disk Backup Forensics
- Privilege Escalation
- Enumeration
- Password Cracking
- Network Pivoting
- Lateral Movement
- Active Directory enumeration and exploitation
- Web Application attacks

RPG Certificate

Hack The Box Mini Pro Labs

RPG

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Subject areas covered:
- Enumeration
- Reverse Engineering
- Phishing Techniques
- Situational Awareness
- Active Directory Enumeration and Attacks
- Lateral Movement
- Network Pivoting
- Privilege Escalation
- Web application Attacks
- Evading Endpoints Protections

XEN Certificate

Hack The Box Mini Pro Labs

XEN

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Subject areas covered:
- Enumeration
- Lateral Movement
- Privilege Escalation
- Pivoting
- Phishing Techniques
- Situational awareness
- Active Directory enumeration and exploitation

Kaiju Certificate

Hack The Box Mini Pro Labs

Kaiju

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Subject areas covered:
- Active Directory enumeration and Attacks
- Local Privilege Escalation
- Network Pivoting
- Abusing Misconfiguration in Common Services
- Common Active Directory Certificate Services Attacks
- DLL Injections

OSINT

CAPE Certificate

Hack The Box Certification

CAPE

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Subject areas covered:
- Advanced Active Directory Enumeration
- Abusing AD Protocols
- Abusing AD Trusts
- Abusing AD Misconfigurations
- Abusing Common Active Directory Components
- Command and Control (C2) Operations
- Windows Evasion
- Pivoting & Lateral Movement
- Advanced Post-exploitation Tactics

OSINT Certificate

Oscar Zulu - OSINT Certification

OSINT

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Subject areas covered:
- Open Source Intelligence gathering

Projects

Présentation activités cyber

Cyber

Présentation activités cyber

Cyber

Présentation activités cyber

Cyber

bSecure Monitor

Cyber, Next.js, Python, Postgre

Test d'intrusion interne auto

Cyber, Next.js, Python, Postgre

Scénarios d'attaque automatisé

Cyber, Next.js

RustSnaffler

Cyber, Rust

RustSubnetScanner

Cyber, Rust

RustScanner

Cyber, Rust

DefaultPwn

Cyber, Rust

Gestion d'équipe

Cyber, Next.js, Python

Pentest Toolkit Methodology

Cyber, Next.js

HTB Capi

Cyber, Next.js

Email Post Exploit Timeline - Exfil

Cyber

Osint leaks

Cyber, Python

Root-us

Cyber

Cyber-us

Cyber, Root-me data visualisation, Python

Full Splunk scenario project

Splunk, Web exploitation, Pnet lab, Python

CyberGame

NodeJS, React

Brutforce Pins iOS

Python, Frida

SubtitlePro

Next.js, Python

Vivatech Hackathon

Python, ViewJS, Django

Arise

Next.js

Compilation 3D Games Projects

Unity3D

Luminous

Unity3D

DragonFly

Unity3D

BB8

Unity3D

Augmented Reality and AI

Unity3D

Augmented Reality BB8

Unity3D

Augmented Reality Car

Unity3D

Runtime Editor VR

Unity3D, for JungleVR

PlatformVR Prototype 2

Unity3D, for JungleVR

VR Multiplayer

Unity3D, for JungleVR

ESport VR Predator League

Competition After-H, VirtualCenter x Failen9

Autonomous Car

Unity3D, IALab

FPS Multi

Unity3D

Landscape

Unity3D

Languages

English :

2016 - 2017 : English, fluent, TOEIC – B2 Level – 850 points

French :

2016 - 2017 : French, mother tongue, Voltaire Project – Business Level – 701 points

Spanish :

Very good level

Center of interest

Sport :

Skiing in competition
Volleyball in competition : Libéro & vice-captain of Jam team
Final tournament les Parisiennes, 8th finals TOSS)
Tennis, Athletics, Badminton, Diving (SSI)

Music:

Guitar for 15 years at the conservatory
My cover website : https://covers.julienperrin.fr

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