about skills experience projects writeups

Dawnless

Cybersecurity Student / PHP Architect

dawnl3ss@parrot-sec:~
$ whoami
Dawnless (Neptune) - Alex'
$ cat about.txt
Experienced PHP Developer | CTF Player | Creator of Aether-PHP
$ ./passions.sh
Red team/Pentest | Programming | Travel | Sports
$ _
10+
Years coding
11
Writeups
60+
Boxes pwned
Dawnl3ss

Alexandre VOISIN

cybersecurity student
Dawnless, Neptune
21 years old
Paris, France
OTERIA Student

Cybersecurity and CTF enjoyer. Passionate about cybersecurity and ethical hacking. Currently training for CPTS certification with HackTheBox Academy while pursuing cybersecurity studies at OTERIA.

Experienced PHP Developer & Architect, specializing in high-performance, secure, and maintainable PHP backends.

Wannabe red-teamer || pentester.

stack

Skills & Technologies

Offensive Security

OWASP Top 10 API Pentesting Active Directory Kerberos NTLM Linux Privesc SUID / Capabilities Reverse Engineering IDA / Ghidra

Backend

PHP Python .NET Java Node.js

Frontend

HTML CSS JavaScript React jQuery

Software

C C++ C# Python Java Rust

Databases

MySQL PostgreSQL MongoDB Redis Memcached

DevOps

Docker Kubernetes Nginx Apache

Scripting

Bash PowerShell Batch
journey

Experience & Education

commit 5f3a1b - HEAD
OTERIA - Master of Science, Cybersecurity
2026 - Present

Currently at OTERIA Cyber School to acquire the best cybersecurity-focused degree. I got a 3-year apprenticeship in offensive security in Paris starting September 2026.

commit d7f2b8
HackTheBox
2023 - Present

Pursuing the CPTS Job Role Path on HackTheBox Academy, coupled with practical work on HTB labs (+45 boxes owned).

commit g2k9s0
Hardware Hub
2023 - Present

Cofounded Hardware Hub, an online PC configurator tool that provides the best user experience possible. 2D PC live visualization, best price comparisons, fully accurate compatibilities and much more.
https://hardware-hub.eu

commit a91c4e
EPITA - Computer Engineering School
2023 - 2025

Attended EPITA for two years, a leading IT engineering school in France. Studied advanced mathematics, physics, and computer science (classe prépa).

repos

Projects

knowledge

Writeups & Articles