CBP Tapped Into the Online Advertising Ecosystem To Track Peoples’ Movements

404 Media [no paywall]: “Customs and Border Protection (CBP) bought data from the online advertising ecosystem to track peoples’ precise movements over time, in a process that often involves siphoning data from ordinary apps like video games, dating services, and fitness trackers, according to an internal Department of Homeland Security (DHS) document obtained by 404 ...