Cristian Talavera

Ethical Hacker | Cybersecurity Specialist
Murcia, ES.

About

Highly accomplished Ethical Hacker and Java Developer with over 6 years of experience in full-stack development and a strong specialization in cybersecurity. Recognized globally for top 25 ranking in HackTheBox and 5th place in CyberCamp CTF, holding OSCP and ICSP certifications. Leverages deep expertise in penetration testing, vulnerability assessment, and secure software development to fortify critical systems, enhance network security, and drive robust digital protection strategies.

Work

Creativa3D
|

Java Developer

Murcia, Murcia, Spain

Summary

Led full-stack Java development, integrating diverse applications and crafting innovative management systems to enhance operational efficiency and data control for clients.

Highlights

Developed and implemented robust Java-based management software for ITV stations, integrating hardware control to streamline inspection processes and enhance operational efficiency.

Engineered and deployed multiple geographical information system (GIS) applications for regional projects (e.g., Biodiversity, Water Management), improving data visualization and supporting informed decision-making.

Contributed to the full software development lifecycle, utilizing a diverse tech stack including Java 8/11, JavaFX, NetBeans, Android Studio, Docker, GitHub, and JIRA to deliver scalable and maintainable solutions.

Managed application integration for various enterprise systems, ensuring seamless data flow and functionality across different departments within the organization.

Education

Deusto Formación
Online, N/A, Spain

Advanced Course

Ciberseguridad

Universidad de Murcia
Murcia, Murcia, Spain

Master's Degree

Redes y Telemática

Universidad de Murcia
Murcia, Murcia, Spain

Bachelor's Degree

Tecnología de la Información

Awards

CTF CyberCamp 2018

Awarded By

INCIBE

Achieved 5th place in the individual CTF organized by INCIBE at CyberCamp 2018, showcasing advanced competitive hacking proficiency.

HackTheBox Ranking

Awarded By

HackTheBox

Ranked within the top 25 worldwide on the CTF/Pentesting HackTheBox platform, demonstrating elite cybersecurity skills.

Languages

Spanish

Certificates

OSCP (Offensive Security Certified Professional)

Issued By

Offensive Security

ICSP (iHackLabs Certified Security Professional)

Issued By

iHackLabs

Skills

Cybersecurity

Ethical Hacking, Penetration Testing, Vulnerability Assessment, Network Security, Security Auditing, Industrial Control Systems (ICS) Security, OWASP Top 10, CTF, Incident Response, Threat Intelligence.

Security Tools

Nmap, Burp Suite, Metasploit, Nessus, Wireshark, Maltego, DirBuster, Intercepter-NG, MiniNet, Snort, Iptables, OSSIM.

Programming Languages

Java (Java 8, Java 11, Java Swing, JavaFX), Python, PHP, Bash, SQL, C, C++, PowerShell, SPARQL, ATEX.

Development Tools & Platforms

NetBeans, Android Studio, Docker, GitHub, JIRA, CVS, SoapUI, MySQL Workbench, VirtualBox.

Operating Systems

Android, Linux.

Other Technical Skills

Backend Development, DevOps, GIS (Geographical Information Systems), Software Development Lifecycle (SDLC), System Integration, Database Management (MySQL).

Projects

TFM - Ciberseguridad en Redes Industriales

Summary

Focused on the analysis of techniques and tools for detecting and mitigating cyberattacks in industrial control networks and critical infrastructures.

TFG - Ciberseguridad: hacking ético y auditoría de seguridad

Summary

Conducted an in-depth study on ethical hacking and security auditing, exploring widely used intrusion testing tools and methodologies.