This article is part of EFF’s investigation of location data brokers and Fog Data Science. Be sure to check out our issue page on Location Data Brokers.
In Part 1 of our series on Fog Data Science, we saw how when you give some apps permission to view your location, it can end up being packaged and sold to numerous other companies. Fog Data Science is one of those companies, and it has created a sleek search engine called Fog Reveal that allows cops to browse through that location data as if they were Google Maps results.
In this article, we’ll be taking a deep dive into Fog Reveal’s features. Although accounts for Reveal are typically only available to police departments, we were able to analyze the app’s public-facing code to get a better understanding of how it works, how it’s used, and what it looks like when cops get warrantless access to your location data.
What We Found
Fog Reveal’s main page, allowing users to create geofenced device queries anywhere in the U.S.
Fog Reveal’s main page, allowing users to create geofenced device queries anywhere in the U.S.
Fog Reveal offers law enforcement a powerful and incredibly invasive tool for sifting through huge datasets of phone location
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