Luis Fernando García is a Senior Researcher at The Citizen Lab and a Mexican lawyer specializing in human rights and digital technologies. He was co-founder and former Executive Director at R3D (Red en Defensa de los Derechos Digitales) in Mexico. He has a law degree from Universidad Iberoamericana in Mexico City and is a candidate for a master’s degree in international human rights law from Lund University in Sweden.
Publications
Uncovering Webloc
An Analysis of Penlink’s Ad-based Geolocation Surveillance Tech
Location data collected from mobile apps and digital advertising can reveal habits, interests and almost any other aspect of someone’s life. In this report, we uncover how a geolocation surveillance system called Webloc uses ad-based data to monitor hundreds of millions of people across the globe.
April 9, 2026
News