Vinícius Moreira Nascimento
Researcher Engineer · AI & Cybersecurity
Researcher and Engineer at the intersection of Artificial Intelligence and Cybersecurity, with a strong interest in applying AI-driven solutions to enhance system security, threat detection, and cyber defense. My work combines machine learning, network security, and emerging technologies to develop intelligent, reliable, and secure systems.
AI Security · Cyber Threat Intelligence · Mobile Network Security (5G/6G) · IoT/Edge and Smart Infrastructure Security · Anomaly Detection · Protection of large-scale distributed and autonomous systems.
Welcome to my digital workspace. Here you will find the projects, research, and experiences that have shaped my journey across Artificial Intelligence, Cybersecurity, Telecommunications, and Computer Engineering. Whether you are a recruiter, researcher, student, or simply curious about my work, I invite you to explore the portfolio and learn more about the ideas and technologies that inspire me.
- Developed a FastAPI-based system processing over 10,000 daily requests in the Cyber Threat Intelligence domain, enabling dynamic filtering of WAF alerts using AI models.
- Applied VAE + HDBSCAN with domain adaptation on honeypot-collected data to improve WAF alert prioritisation across Orange subsidiary environments.
- Developed unsupervised learning pipelines for stratification and prioritisation of over 600 oncology patients using PCA, UMAP, K-Means and DBSCAN on multidimensional clinical data.
- Supported rapid patient grouping during healthcare crisis scenarios.
- Managed monitoring and network infrastructure with over 10,000 assets using Zabbix, Grafana and Python, aligned with ITIL and COBIT practices.
- Led a 10-person team responsible for network monitoring across all 12 Brazilian Army regions, operational support and IT procurement exceeding R$ 1,000,000.
- Commanded a Signals Platoon in the Amazon Forest (2019-2021), supporting tactical communications in remote environments.
- Specialisation in Cybersecurity and Artificial Intelligence. Double-degree programme with UnB (Brazil).
- International academic merit scholarship — BRAFITEC programme (Brazil-France university exchange).
- Pursued in parallel with military service as a Temporary Signals Officer and international exchange in France.
- Teaching assistant for Transport Protocols and Routing, and Algorithms and Data Structures.
Interactive research tool for exploring Physical-Layer Authentication using CSI fingerprinting and Siamese CNNs. Visualizes model performance, confusion matrices, and signal patterns.
Industrial project with GREYC laboratory and the Bayeux Museum. Interactive solutions using generative AI and computer vision to promote the cultural heritage of the Bayeux Tapestry.
Educational demonstrator of a social engineering attack using a malicious PDF, a Discord-integrated chatbot, LLM APIs, and Metasploit — aimed at security awareness.
R&D project for a Smart Water Meter with 5G connectivity and secure authentication using X.509 certificates.
Full corporate network simulation in GNS3 integrating Snort, Suricata, Wazuh, Zabbix, Kali Linux, and an OSPF backbone with VLAN segmentation.