Culture
CBP Used Ad Tech Data to Track Phone Locations
Internal DHS documents reveal Customs and Border Protection purchased location data from the online advertising ecosystem to surveil people's movements through ordinary apps.
Key Takeaways
- CBP purchased GPS location data from advertising brokers to track phone movements
- Approximately 70 lawmakers urged DHS Inspector General to investigate the practice
- Advertising real-time bidding systems broadcast user location data to hundreds of companies
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