Pentesting Workflow Engineering 路 Offensive Security 路 Security Automation 路 Real-world Tooling
ES: Dise帽o herramientas, workflows y documentaci贸n t茅cnica para mejorar la consistencia en tareas de reconocimiento, enumeraci贸n, an谩lisis y hardening en entornos autorizados.
EN: I build security tooling, workflows and technical documentation to improve consistency across reconnaissance, enumeration, analysis and hardening tasks in authorized environments.
ES: Profesional IT con m谩s de 15 a帽os de experiencia, actualmente enfocado en ciberseguridad ofensiva, automatizaci贸n de pentesting, SIEM, hardening y desarrollo de tooling pr谩ctico.
EN: IT professional with 15+ years of experience, currently focused on offensive security, pentesting automation, SIEM, hardening and practical security tooling.
- Modular pentesting workflows for reconnaissance and enumeration.
- Go and Bash tooling for authorized labs and security assessments.
- Technical writeups from CTFs, vulnerable machines and training platforms.
- Educational exploit PoCs and reproducible lab material.
- Linux/Kali/Parrot setup automation for offensive security environments.
| Project | Focus | Tech |
|---|---|---|
| gomap | Fast TCP scanner for authorized reconnaissance workflows, with CIDR support, service detection and structured output. | Go |
| pentest-workflow-scripts | Modular Bash framework to structure and automate recon/enumeration phases. | Bash |
| Kali-Parrot-Setup | Desktop and terminal setup for Kali/Parrot-focused offensive security environments. | Shell / Linux |
| portfolio | Professional bilingual portfolio with CV resources in Spanish and English. | HTML / CSS / JS |
| nexusfireman.github.io | Technical hub for writeups, exploit research, tooling and public documentation. | Frontend / GitHub Pages |
| Repository | Content |
|---|---|
| CTF | CTF writeups, vulnerable machine notes and reusable technical documentation. |
| Exploits | Educational exploit PoCs, CVE-oriented material and controlled lab examples. |
Core areas: Pentesting 路 Reconnaissance 路 Enumeration 路 SIEM 路 Hardening 路 Linux 路 Windows Server 路 Active Directory 路 Automation 路 Secure Coding
Common tooling: Nmap 路 Burp Suite 路 Wireshark 路 OWASP ZAP 路 Metasploit 路 Gobuster 路 ffuf 路 SQLMap 路 Wazuh 路 Security Onion
- Technical Hub: https://nexusfireman.github.io/
- Professional Portfolio: https://nexusfireman.github.io/portfolio/
- GitHub: https://github.com/NexusFireMan
- LinkedIn: https://www.linkedin.com/in/javierdurangarcia/
- Email:
nexusfireman@proton.me
ES: Todo el contenido se publica con fines educativos y profesionales. Uso exclusivo en entornos controlados, laboratorios propios o sistemas con autorizaci贸n expl铆cita.
EN: All content is published for educational and professional purposes only. Use exclusively in controlled environments, personal labs or systems with explicit authorization.