Mateo's Portfolio

About Me

Hi, I'm Mateo Restrepo, a cybersecurity enthusiast with a background in computer science. I enjoy solving problems, exploring security research, and building practical tools to protect systems.

Skills & Tools: Python, Linux, Wireshark, Burp Suite, AWS, GCP, Docker, CI/CD, Penetration Testing

Work Experience

Application Security Intern – Dun & Bradstreet

June 2023 – April 2024

Performed vulnerability analysis using DAST, SAST, and SCA tools; identified high-risk findings and partnered with developers to validate and remediate issues.
Monitored application and network logs to detect threats and anomalies, supporting SOC analysts with triage, escalation, and incident response.
Built Python automations to streamline vulnerability reporting and remediation tracking, improving workflow efficiency and reducing manual effort.
Delivered guidance and briefings to developers on secure coding practices and patch management, strengthening company-wide security posture.

Web Development Intern – Uktena

January 2023 – April 2023

Developed user-facing features and dashboards using React, JavaScript, and Node.js, improving usability and visibility of priority issues.
Contributed to full-stack development across front-end and back-end components, collaborating closely with design and engineering teams.
Improved interface performance and workflow efficiency by implementing dynamic data presentation and optimized issue-tracking views.

Education

Master of Science in Cybersecurity

August 2023 – December 2025

University of North Carolina at Charlotte

Relevant Coursework

Studied network defense principles, packet analysis, intrusion detection, and secure network architecture.

Learned forensic acquisition, evidence handling, file system analysis, and investigation methodologies.

Explored secure coding practices, vulnerability identification, and code review techniques.

Covered AWS and GCP fundamentals, cloud security concepts, and containerization using Docker.

Bachelor of Science in Computer Science

August 2020 – December 2022

University of North Carolina at Charlotte

Relevant Coursework

Studied network defense principles, packet analysis, intrusion detection, and secure network architecture.

Learned forensic acquisition, evidence handling, file system analysis, and investigation methodologies.

Explored secure coding practices, vulnerability identification, and code review techniques.

Covered AWS and GCP fundamentals, cloud security concepts, and containerization using Docker.

Skills

Security Tools

Wireshark
Burp Suite
Nmap
Tenable
Invicti
Snort IDS

Programming

Python
Bash
JavaScript
SQL

Cloud & DevOps

AWS
GCP
Docker
CI/CD Pipelines
Git & GitHub

Operating Systems

Linux
macOS
Windows

Projects

Here are a few of the projects I’ve worked on:

Behavioral Biometrics Access Control System

Developed an access control system using behavioral biometrics to enhance security.

Learn More

CI/CD Pipeline for Vulnerability Management

Automated vulnerability management tasks to streamline developer workflows.

Learn More

Android Repackaging Attack Lab

Explored security vulnerabilities in Android apps through a controlled lab setup.

Learn More

Contact

I'd love to connect! Reach out via email or check my profiles below:

Email Me