Academic Publications
Towards a Secure and Scalable Maritime Monitoring System Using Blockchain and Low-Cost IoT Technology
WP Freire, WS Melo Jr, VD do Nascimento et al., Sensors, MDPI, 2022
Maritime Domain Awareness (MDA) strategic field, coastal country monitoring of maritime resources and Exclusive Economic Zone, integrating blockchain for tamper-proof sensor data.
Cibersegurança Naval: Navegando em Águas Turbulentas na Era da Guerra Cibernética
WP Freire, Vitória nas Sombras, Marinha do Brasil, 2024
Maritime domain of commercial and military spheres as the backbone of international trade and major defence forces, navigating cyber warfare threats in naval operations.
Blockchain-based Maritime Monitoring System
WP Freire, WS Melo et al., IEEE Metrology for the Sea, 2021
Blockchain as an extremely versatile security tool for IT systems, applied to maritime monitoring for decentralised, tamper-evident vessel tracking and sensor data integrity.
Featured Resources
Red Teaming LLMs: Offensive Security Against AI Systems
How offensive security methodologies apply to large language models, attack surfaces, prompt injection, model extraction and defensive countermeasures from a red team perspective.
Network Security 2026: How AI is Reshaping the Threat Landscape
How artificial intelligence is transforming both offensive and defensive capabilities, adversarial AI, automated vulnerability discovery and AI-powered SOC operations.
DumoSec Intelligence Briefs
Original threat intelligence and security advisories from our research team.
APT Groups Targeting Critical Infrastructure in Latin America, 2025
Analysis of emerging threat actors and evolving tactics against OT environments in the region, including campaigns attributed to state-sponsored groups.
Zero Trust Architecture for Industrial Control Systems
Comprehensive guide for Zero Trust implementation in OT/ICS environments, balancing security and operational availability.
Critical Vulnerability in SCADA Protocol Stack
Responsible disclosure of a critical vulnerability affecting multiple ICS vendors. Full coordination with CERT/CC and disclosure timeline.
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