The leading nonprofit defending digital privacy, free speech, and innovation.
Yesterday, along with the ACLU, EFF filed an amicus brief in the Ninth Circuit court of appeals in United States v. Spurlock , a case involving a “tower dump” warrant. These overbroad warrants require cellular providers to turn over location data about every phone in a given area at a given time. This is the first such case to be heard by a federal appeals court since the US Supreme Court ruled this summer that highly similar “geofence” warrants are...
The U.S. Postal Service used social media surveillance to monitor and report on protests across the political spectrum, government records show. The records , disclosed to EFF and other requesters suing the postal service under the Freedom of Information Act, show that the agency’s internet Covert Operations Program, or iCOP, routinely sifted through social media posts organizing and discussing protests with little records of any oversight or legal justification. EFF filed suit in 2021 after Yahoo News disclosed the program’s...
















