Alex ZALO aka Heis3net

A developer passionate about Networking and Cybersecurity

About me

Hello, my name is Alex ZALO, I'm a student at ESNA. I love everything in IT, I'm very diversified in my knowledge, but I'm specilized in Web dev, Cybersecurity and Networking. I love making things for the community, like teaching to other or helping them on their projects, I've already found a CVE (CVE-2025-56869) on an Open-Source project.

Formations

BTS SIO option SLAM Cyber

ESNA - Bruz 2025 - 2026

BTS CIEL option IR

Saint Joseph La Salle - Lorient 2024 - 2025

BAC PRO SN option RISC

Emile Zola - Hennebont 2021 - 2024

Skills

Networking

Containerlab Packet Tracer GNS3 Open vSwitch Cisco Aruba Proxmox ESXi pfSence VLAN ACL NAT Routing DNS AD SIP OpenVPN Wireguard Docker

Dev

Python Javascript Typescript Java PHP C C++ Bash Rust HTML/CSS/JS SASS JWT DrizzleORM Flask Gunicorn NextJS Spring Boot Express Apache2 Nginx Let's Encrypt Cloudflare

Cyber

WSTG Root-Me PortSwigger Academy Burp Suite SQLMap Pentest Report making CVE Finding Challenge maker

Projects

CookTheFlag

A web platform that brings together CTF tools and techniques, easily extensible with Python plugins. Built in Python with Flask and Docker.

Photo Portfolio

A photography portfolio website built with Next.js and PostgreSQL, hosted on Vercel.

NetForge

A free platform to learn network hacking, like ARP spoofing or other network specific vulnerabilities.

Work in progress

News

Socials

alex@zalo.fr @zalo-alex @Heis3net @heis3net