Techdirt. – DHS Releases Previously-Withheld Report Detailing Agencies’ Abuse Of Location Data Purchased From Data Brokers

This report [PDF], obtained by the newly-formed 404 Media, contains a lot of what we know, some of what we don’t know, and confirms a lot of suspicions.
The reliance on data brokers for cell location data very likely predates the Supreme Court’s 2018 Carpenter decision. But it’s safe to assume this market really took off following that decision. Prior to that, law enforcement needed, at best, a subpoena, to obtain a wealth of historical cell location data.
That decision erected some privacy protections for cell site location info. But the finding was limited to large quantities of historical data. And it had nothing to say at all about obtaining this information from third-parties-once-removed: i.e., data brokers collecting…

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