Hello! I'm Guilherme Guilherme, a Computer Science graduate and current Master's student in Cybersecurity and Digital Forensics at the Instituto Politécnico de Leiria. My professional background spans systems administration, IoT development, and cybersecurity compliance, with open-source contributions in digital forensics tooling.
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Master's in Cybersecurity and Digital Forensics (Ongoing)
Instituto Politécnico de Leiria
Focus on offensive security, incident response, forensic analysis, and security governance. -
Bachelor in Computer Science (Final Grade: 16/20)
Instituto Politécnico de Leiria
Focus on software development, virtualization, DevOps, cybersecurity, digital forensics, and systems/network administration.
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Cybersecurity Intern – Caixa de Crédito Agrícola Mútuo de Leiria, C.R.L.
Second-year curricular internship
ICT risk management, DORA/NIS2/RGPD compliance, gap analysis, risk matrices, and operational digital resilience. -
Software & Hardware Integration Consultant – NS2 – Nitrogen Sensing Solutions
Designed and developed the full backend (FastAPI/Python) and hardware integration (Node-RED, MQTT, Modbus RS485/TCP, Raspberry Pi/Atlas) for the SMART SWIMS IoT platform for aquaponics. -
Network and Operating Systems Consultant – C.P.S. Consultores de Informática, S.A., Leiria
IT support, systems administration, network configuration (routers, switches, NAS, Fortinet firewalls), Office 365 administration, Artsoft ERP support, mentoring interns, and coordinating remote teams for office IT deployments across Portugal, Angola, and Mozambique.
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ADBExtractorAndAnalyzer
Python tool to extract, analyze, and decompile Android data via ADB shell. -
Nova_AI_Chatbot_ALEAPP
Four official ALEAPP modules now part of ALEAPP, automating artifact extraction and conversation reconstruction from the Nova AI Chatbot Android app. -
pcap2api-rs
Rust-based threat-intelligence tool that extracts IPs, domains, and URLs from PCAP/CAP files and cross-references them against seven public threat-intelligence feeds (URLhaus, Feodo Tracker, PhishTank, Bambenek, Blocklist.de, Emerging Threats, AlienVault OTX). -
GARS_Rapid_Miner_Machine_Learning
SIEM project with Graylog 6.2, rapid-miner datasets, and machine-learning classification of attack events (Naive Bayes and Decision Tree). -
KubeAPI
Simplifying Kubernetes cluster management with Python and Tkinter. -
APITik
Managing Mikrotik routers through an intuitive SDN controller built with Python and Tkinter.
For my Bachelor's final project, I conducted a forensic analysis of Android mobile gym applications, performing artifact analysis, static analysis, dynamic analysis, and identifying vulnerabilities based on the OWASP Top 10. This work led to the development of the following repositories:
Final grade: 19 out of 20.
"Arguing that you don't care about the right to privacy because you have nothing to hide is no different than saying you don't care about free speech because you have nothing to say." – Edward Snowden
Feel free to explore my repositories and reach out if you want to collaborate on exciting projects. Let's make the digital world a safer place together!