Cybercrime analysis and Cyber Threat Intelligence are crucial for understanding and defending against cyber threats, with online underground communities serving...

This thesis investigates transparency, fairness, and data accuracy in the online advertising ecosystem through large-scale analysis of data from hundreds...

Modern consumer smart ecosystems—comprising of mobile and IoT devices, platforms, apps, third-party SDKs, and cloud services—enable pervasive automation and personalization...

Polymarket is a prediction market platform where users can speculate on future events by trading shares tied to specific outcomes,...

European Researchers’ Night Madrid 2025, coordinated by the Fundación para el Conocimiento madrimasd, is part of the European Horizon Europe...

This thesis investigates the performance of positioning systems in Wi-Fi and 5G networks using a single node, such as a...

Mobile networks are central to modern digital life, generating vast amounts of metadata that offer valuable insights into human behavior,...

This thesis addresses two critical challenges in Federated Learning (FL): enhancing Byzantine robustness to thwart poisoning attacks and advancing privacy-preserving...

The increasing reliance on digitally interconnected critical infrastructure creates unprecedented vulnerabilities to large-scale failures, threatening societal stability and economic prosperity....

Mobile apps frequently use Bluetooth Low Energy (BLE) and WiFi scanning permissions to discover nearby devices like peripherals and connect...