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Gusta0795/README.md

๐Ÿ‘‹ Hello, I'm Gustavo Medeiros!

๐Ÿ” Information Security Specialist | ๐Ÿ”ง Open Source Projects | ๐Ÿ“Š Management Consultant

Welcome to my GitHub, where I share my journey in the world of Information Security, System Administration, and Linux Solutions Development. With a passion for safeguarding data and creating secure digital environments, Iโ€™m dedicated to developing tools that strengthen IT infrastructure and streamline system management.


๐ŸŒ About Me

My journey started with a curiosity about how systems work. Along the way, I realized itโ€™s not just about understanding technologyโ€”itโ€™s about securing and optimizing it. Today, I focus on cybersecurity consulting, with experience in deploying firewalls, managing networks, and developing custom Linux solutions.

๐Ÿ›ก๏ธ Areas of Expertise:

  • ๐Ÿ”‘ Information Security: Auditing, Vulnerability Analysis, and Security Policy Implementation.
  • ๐Ÿงฑ Linux Firewall Project: Developing a firewall server with an easy-to-use graphical interface.
  • โš™๏ธ System Administration: Managing IT infrastructures with a focus on performance and security.
  • ๐Ÿ”„ Management Consulting: Helping businesses enhance operations with an integrated security perspective.

๐Ÿ› ๏ธ Featured Projects

A robust firewall server with an intuitive graphical interface for managing essential network services. This project aims to provide a user-friendly solution for IT administrators who need security and control over their environment.

  • Technologies: Linux, IPTables, Python, Bash, WebUI.
  • Highlight: Interactive visual interface for managing firewall rules.

A series of scripts and tools I developed for security auditing and vulnerability analysis. The focus is on providing accessible solutions for IT professionals to secure their systems without the hassle.

  • Technologies: Bash, Python, Ansible.
  • Highlight: Automating security audits.

This project documents a global incident involving a faulty update in antimalware software. It explores the impacts and lessons learned in terms of cyber resilience.


๐Ÿ“š What Youโ€™ll Find Here

  • Open-source solutions tailored to a variety of needs.
  • Scripts and automations to simplify system administration.
  • Case studies in cybersecurity and risk mitigation.

๐Ÿ’ฌ Letโ€™s Connect!

Iโ€™m always open to collaborating and discussing new ideas. If youโ€™d like to share experiences, discuss a project, or learn more about information security, feel free to reach out!


Make security a priority, not an afterthought.

Pinned Loading

  1. Linux-Hardening Linux-Hardening Public

    Shell

  2. Python_DNS_check Python_DNS_check Public

    A python program to check a variety of DNS entries

    Python